Friday 5/15/20 Spiral Review Quiz #7

Which is NOT a method to solve a proportion?

• using unit rates
• cross-multiplying
• multiplying across or vertically (like equivalent fractions)
• keep / change / flip

Tags

CCSS.7.EE.B.3

A store discounted a the new iPhone by 10%. If the original price was $630, how much was the discount? (How much was taken off the original price?)

• $0.63
• $6.30
• $63
• $693

Tags

CCSS.6.RP.A.3C

Mrs. Bothers spent $215 at Costco. If she has a coupon for 25% off, how much will she actually spend after subtracting the discount?

• $53.75
• $57
• $161.25
• $268.75

Tags

CCSS.6.RP.A.3C

You talk a car salesman down 20% of the original price. The original price of the car is $5,000 dollars. How much money did you save?

• $1,000
• $100
• $500
• $10,000

Beth works at a car lot. This week she sells $23,200 in cars. She earns 4% commission for all the cars she sells. How much will she earn this week?

• 24,128

• 928

• 1028

• 92.8

Tags

CCSS.6.RP.A.3C

A TV that normally cost $800 is on sale for 33% off.  There is a 6% sales tax on the purchase.  What is the final cost of the TV?

• $536.00
• $568.16
• $279.84
• $321.60

Tags

CCSS.6.RP.A.3C

Henry earns $7.75 per hour.  He just received a 3% raise.  How much does he now earn if he works for 40 hours?

• $7.98
• $403.20
• $319.20
• $2.33

Tags

CCSS.6.RP.A.3C

The number of students in the school went from 1028 down to 755.  What is the percent decrease?

• 26%
• 27%
• 36%
• 136%

Tags

CCSS.6.RP.A.3C

George estimated that he scored a 75% on his math test.  To his surprise, he actually scored an 87%.  What was his percent error?

• 13.7%
• 16%
• 13.8%
• 86.2%

Tags

CCSS.6.RP.A.3C

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1350
• $1392

Tags

CCSS.7.RP.A.3