Big Idea Many types of questions involving percents can be answered by solving an equation of the form ax = b Goal Solve three basic percent problems by.

Slides:

Advertisements

Similar presentations

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Advertisements

Two Step Equation Percentages Adding and Subtracting Adding -- Tax, Markup –Original amount + a percent of that amount –An item is marked up 75%

Bell Ringer Solve the following proportions x/5 = 9/453/4 = x/4412/x = 48/60 On a scale of 1-10, 1 being I have learned nothing and 10 being I have learned.

7 th Grade Math Ms. Richardson.  Before, we answered all types of percent questions using proportions.  However, when you are finding the percent of.

Markups and Discounts with Percents

Textbook Page 185 – 186; # 14 – 28 Even & 32 – 37 All.

Applications of Discount & Markup Example 1: Sam’s Electronics has a movie camera on sale for $560. The original price was $800. Determine the percent.

Do Now What number is 12% of 350? 21 is what percent of 40?

adjectives as you can think of that describes that word.

Write and graph a direct variation equation

Bell Work: Tax and Tip! Your bill is $ What is your total after you leave a 20% tip and pay 5% tax? Method 2 Multiply the price by 125% since.

Learn to solve problems involving percent of change.

9-3 6 th grade math Finding a Percent of a Number.

Chapter 23 Review Adv. Math. Find the % of the number. 75% of 120.

A bicycle is on sale for $ The sales tax rate is 5%

2-8 Percents Lesson Presentation Lesson Quiz Holt Algebra 1.

Then/Now You solved proportions. (Lesson 2–6) Find the percent of change. Solve problems involving percent of change.

Warm Ups 1)Thirty is 12% of what number? 2)Find 115% of )Find I, if p = $950, r = 9%, and t = 6 months Answers: 1)250 2)161 3)$42.75.

Sales Tax, Discounts, and Commissions Section 6.7.

7-7 Sales Tax and Discount. Discounts are like what that we have been talking about? What is a discount?

6.RP.3c Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the.

DO NOW Define: Markup: An increase from the wholesale price of an item to the retail price. Discount: A decrease from the original price of an item to.

Section 3.9 Percents Mr. Beltz & Mr. Sparks. Ratio A PERCENT is a ratio that compares a number to 100. You can write a percent as a FRACTION, DECIMAL,

Bell Ringer Darius saw a shirt that was on sale for 20% off. The original price of the shirt was $28. If tax was 9%, how much did Darius pay for the shirt?

Bell work Solve. Round to tenth as needed. 1)What is 75% of $82? 2)What is 42% of $170? 3)What is 5.5% of $24? 4)What is 80% of $15.99?

Multiple Discounts This presentation was created following the Fair Use Guidelines for Educational Multimedia. Certain materials are included under the.

2.9 PERCENTS I can solve percent problems using proportions or the percent equation.

Adding and Subtracting Percents

Splash Screen. Then/Now You have already solved real-world problems using the percent equations. (Lesson 7–5) Solve real-world problems involving markup.

Problem Solving: Direct Translation Problems Involving Percent.

6:7-9 Estimating With Percents. Estimating cost You want a scarf that costs $ The tax is 5%. Estimate the cost of the scarf with tax. 2 ways to.

Ch 3.9 Objective: To solve problems involving percent.

Objective- To solve problems involving percent. Five types of problems - Simply translate what you read! 1) Ratio Conversions 6 out of 20 is what percent?

Problem Solving: Direct Translation Problems Involving Percent

Bell Work is = x_ of = x_ x 100 = 27x 1700 = 27x x = 62.96% or 63%

EXAMPLE 1 Finding a Sale Price Clothing You buy a pair of jeans that is 30% off the original price of $29. What is the sale price? STEP 1 Find the amount.

PARKLAND PERCNET OF A NUMBER. USE MENTAL MATH TO FIND THE PERCENT OF A NUMBER.

Sales Tax and Discount Lesson 8-5. Sales tax and discount Sales tax - is an additional amount of money charged on items people buy. The total cost is.

Jeopardy Equals What? Criss- Cross

Lesson Topic: Commission, Discount, Sales Tax, Sale Price Standard: Solves practical problems using percents (e.g., sales tax, sale price and commission,

Main Idea and New Vocabulary Example 1: Real-World Example

Calculating Discounts

Warm Up Problem of the Day Lesson Presentation Lesson Quizzes.

6.6 Discounts and Markups 10/18/16.

9-2 6th grade math Estimating Percent.

6-5 Percent of Change Warm Up Problem of the Day Lesson Presentation

Percent and Problem Solving: Sales Tax, Commission, and Discount

Unit 6. Day 15..

Markup and Discount Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips. Objective:-Students.

2-7 Percent of Change Percent of Change: what % something changes

2-7 Notes for Algebra 1 Percent of Change.

Objective- To solve problems involving percent.

Markup & Discount Section 5-7.

Percents and Equations

Solving Percent Problem with Equations

Learn to solve problems involving percent of change.

Percents of Change and Percents of Percents

Solving Percent Problems

Chapter 6 Problem-Solving

Finding Discount Objective: Students will calculate percentages and find the amount of discount.

6-6 Percent of Change Warm Up Problem of the Day Lesson Presentation

Main Idea and New Vocabulary Example 1: Real-World Example

Bell work Week 28 Cost - The price retailers pay to a manufacturer

A, b and c can be any numbers

Lesson Quizzes Standard Lesson Quiz

Lesson – Teacher Notes Standard:

Finding a Percent of a Number

Assignment 6.9A: 1 – 10, 18, 19.

A, b and c can be any numbers

A, b and c can be any numbers

Presentation transcript:

Big Idea Many types of questions involving percents can be answered by solving an equation of the form ax = b Goal Solve three basic percent problems by translating them into equations.

Write an equation for each situation then solve. 1. 4% of what number is 76? To write the equation, make a direct translation for the words and %. 2. What percent of 210 is 33.6?

3.Chuck wants to buy a pair of jeans costing $ He knows he will be charged 4.5% sales tax on the jeans. Find the total cost of the jeans including the sales tax. 4.A bicycle normally costs $425, but is on sale for 20% off. What is the sale price? Sale price = bicycle – discount (% of bike)

Sale price = bicycle – discount(% of bike) The price of the bicycle represents 100% of the bicycle and the discount is 20% of the bicycle, the sale price is 100% - 20% of the bicycle: Total cost = jeans + tax(% of jeans) The price of the jeans represents 100% of the jeans and the tax is 4.5% of the jeans, the total cost is 100% + 4.5% of the jeans: