Consumer Math

Sometime ago Henry deposited $12,500 into a savings account and over time, it had earned $3,500 in interest at a rate of 4%.  How long had Henry's money been earning interest?  

• 3 years
• 9 years
• 7 years
• 5 years

Tags

CCSS.6.EE.B.7

Ben purchased a used car for $9,000.  His interest rate was 6.5% and he paid $2,925 in simple interest.  How long did it take Ben to pay off this car loan?

• 5 years
• 6 years
• 2 years
• 3.5 years

Tags

CCSS.7.RP.A.3

Find the amount of interest earned by $8000 invested at 5% annual simple interest rate for 1 year.

• $625
• $350
• $750
• $400

Tags

CCSS.7.RP.A.3

A student borrowed some money from his father at 2% simple interest to buy a car. He paid his father $360 in interest after 3 years, how much did he borrow?

• $6,000
• $12,485
• $9,700
• $4,900

Tags

CCSS.7.RP.A.3

To start a mobile dog-grooming service, a woman borrowed $2,500. If the loan was for two years and the amount of interest was $175, what simple interest rate was she charged?

• 5.75%
• 1.8%
• 8.25%
• 3.5%

Tags

CCSS.7.RP.A.3

A salesperson set a goal to earn $2,000 in May. He receives a base salary of $500 per month as well as a 10% commission for all sales in that month. How much merchandise will he have to sell to meet his goal?

• $2,500
• $10,000
• $250
• $15,000

Tags

CCSS.7.EE.B.4A

_{^{The Smith family went out to dinner.}}

-The price of the meal was $29.85.

-The sales tax was 6% of the price of the meal.

-The tip was 15% of the meal and the sales tax.

How much money did the Smith family pay for the meal, including tax and tip?

• $31.64
• $36.39
• $31.60
• $42.89

Tags

CCSS.6.RP.A.3C

A notebook costs $4.50 plus sales tax. After sales tax, the notebook is $4.86. What is the sales tax rate?

• 6.2%
• 4.8%
• 12%
• 8%

Tags

CCSS.6.RP.A.3C

Anna is saving $6.35 a week to buy a computer game that costs $57.15.  How many weeks will she have to save to buy the game?

• 3 weeks
• 6 weeks
• 9 weeks
• 12 weeks

Tags

CCSS.6.NS.B.3

The bill for dinner came to $75.48.  The four friends decided to leave a $15 tip.  If they shared the bill equally, how much will they each pay?

• $21.70
• $90.48
• $44.40
• $22.62

Tags

CCSS.7.EE.B.3