Pre-AlgebraAlgebra College Algebra GeometryTrigonmetry.

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Pre-AlgebraAlgebra College Algebra GeometryTrigonmetry

Calculate the mean of the number set (26, 12, 26, 8, 26, 26, 23). a. 26 b. 24 c. 23 d. 21 e. 20 What is the median? What is the mode? 26

A company selling televisions instituted a price increase at the end of the year. One unit’s selling price of $720 was increased to $900. By what percentage was the price increased? a.20% b. 15% c. 25% d. 18% e. 22%

Martine gets an auto service bill charging her $350 for labor and $150 for parts. What percentage of the total bill is for parts? a. 30% b. 15% c. 150% d. 75% e. 45%

Bartholomew buys 12 gallons of gasoline for his car at a price of $2.40 per gallon. He hands the attendant two $20 bills. How much change should he receive? a. $16 b. $12.20 c. $11.40 d. $11.20 e. $10.80

Half the students taking a math test receive an average grade of 66%. The other half receives an average grade of 86%. What is the average grade overall? a. 70% b. 74% c. 76% d. 78% e. 82%

A man drives 350 miles in 7 hours. If he continues at the same average speed, how long will it take him to complete a 400 mile trip? a. 8 hours b. 9 hours c. 8.5 hours d. 9.5 hours e. 7.5 hours

There will be word problems with integers as well. A cell phone company offers two plans. Plan A customers pay $3 for every hour of phone usage. Plan B customers pay a flat fee of $35 per month. If Melanie signs up for plan B and uses her phone for 16 hours the first month, how much does she save compared to if she had selected plan A? a. $8 b. $48 c. $35 d. $13 e. $17

If 25 pounds of potatoes costs $30, how much will 30 pounds cost? a. $25 b. $32 c. $36 d. $38 e. $42

Algebra

The area A of a triangle is calculated as A = 1/2hB. If the height h is 12 feet and the base B is 4 feet long, what is the area, in square feet? a. 24 b. 12 c. 36 d. 48 e. 8

Mrs. Park is organizing a class trip to the aquarium, and has raised $900 to help pay for it. Adult tickets are $45, and student tickets are $30. If she has 25 students and needs to take one adult for every five students, how much will each student have to pay so that the adults who agree to chaperone will have to pay nothing? a. $5 b. $6 c. $4 d. $3 e. $2