7th Grade Math Review

A stereo, originally priced at $360, is on sale for $200. What is the percent of change?

• 40%

• 56%

• 80%

• 44%

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Solve the proportion.

• k=5
• k=45
• k=60
• k=90

The price of a sweater was reduced from $20 to $12. By what percentage was the price of the sweater reduced?

• 8%

• 80%

• 60%

• 40%

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7.4.D

Daniela has dinner at a restaurant and the cost of his meal is $28.00. Because of the service, she wants to leave a 20% tip. What is her total bill including tip?

• 33.60

• 40.00

• 24.60

• 30.50

There are 75 students in the school band.  45 students play woodwind instruments.  What percent of students play woodwinds?

• 35%
• 60%
• 55%
• 70%

A class is 55% girls and has 20 girls. How many students are in the class?

• 41 students

• 11 students

• 16 students

• 36 students

Diego puts $300 in a bank account earning 4% interest. How much will he earn in interest in 1 year?

• 4

• 8

• 12

• 16

Annika invested $2,500 at an annual rate of 5%. How much will she have in the account after 1 year?

• $1875

• $2505

• $625

• $2625

A video game that usually sells for $60 had a 25% off coupon. What is the new price of the video game?

• $45

• $15

• $35

• $75