1. Pre-Algebra 8-6 Applications of Percents 1. The lunch bill was $8, and you want to leave a 15% tip. How much should you tip? 2. The sales tax is 5.75%, and the shirt costs $20. What is the total cost of the shirt? 3. As of 2001, the minimum hourly wage was $5.15. Congress proposed to increase it to $6.15 per hour. To the nearest percent, what is the proposed percent increase in the minimum wage? $21.15 $1.20 19% 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

2. Pre-Algebra 8-6 Applications of Percents A commission is a fee paid to a person who makes a sale. It is a percent of the selling price. Some sales people are paid a commission plus a regular salary. Their total pay is a percent of the sales they make plus a salary. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

3. Pre-Algebra 8-6 Applications of Percents A real-estate agent is paid a monthly salary of $900 plus commission. Last month he sold one condominium for $65,000, earning a 4% commission on the sale. How much was his commission? What was his total pay last month? 4% of $65,000 is the commission. commission = $2600 Total pay = commission + salary $2600 + $900 = $3500 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

4. Pre-Algebra 8-6 Applications of Percents A car sales agent is paid a monthly salary of $700 plus commission. Last month she sold one sports car for $50,000, earning a 5% commission on the sale. How much was her commission? What was her total pay last month? First find her commission. Think: 5% of $50,000 is what? The agent earned a commission of $2500 on the sale. Now find her total pay for last month. $2500 + $700 = $3200 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

5. Pre-Algebra 8-6 Applications of Percents If the sales tax rate is 6.75%, how much tax would Adrian pay if he bought two CDs at $16.99 each and one DVD for $36.29? CD: 2 at $16.99$33.98 DVD: 1 at $36.29 $36.29 $70.27Total Price 0.0675  70.27 = 4.743225Convert tax rate to a decimal and multiply by the total price. Adrian would pay $4.74 in sales tax. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

6. Pre-Algebra 8-6 Applications of Percents Amy rents a hotel for $45 per night. She rents for two nights and pays a sales tax of 13%. How much tax did she pay? $45  2 = $90 Find the total price for the hotel stay. $90  0.13 = $11.70 Convert tax rate to a decimal and multiply by the total price. Amy spent $11.70 on sales tax. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

7. Pre-Algebra 8-6 Applications of Percents A tax deducted from a person’s earnings as an advance payment of income tax is called withholding tax. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

8. Pre-Algebra 8-6 Applications of Percents Anna earns $1500 monthly. Of that, $114.75 is withheld for Social Security and Medicare. What percent of Anna’s earnings are withheld for Social Security and Medicare? Think: What percent of $1500 is $114.75? 114.75 1500 x 100 = 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems. 7.65% of Anna’s earnings is withheld for Social Security and Medicare.

9. Pre-Algebra 8-6 Applications of Percents AJ earns $2500 monthly. Of that, $500 is withheld for income tax. What percent of AJ’s earnings are withheld for income tax? Think: What percent of $2500 is $500? 500 2500 x 100 = 20% of AJ’s earnings are withheld for income tax. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

10. Pre-Algebra 8-6 Applications of Percents A furniture sales associate earned $960 in commission in May. If his commission is 12% of sales, how much were his sales in May? Think: $960 is 12% of what number? The associate’s sales in May were $8000. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

11. Pre-Algebra 8-6 Applications of Percents A sales associate earned $770 in commission in May. If his commission is 7% of sales, how much were his sales in May? Think: $770 is 7% of what number? The associate’s sales in May were $11,000. 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.

12. Pre-Algebra 8-6 Applications of Percents Pop Quiz Pg 441 #1-8, 18, 20 When you finish, flip over your paper and work on a silent activity. HW: pg 426 #1-6 04/19/2010 Proportion and Percent #23 Today’s Plan: -Warm-Up -Percent -Assignment LT: I will solve multi-step percent word problems.