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A price decreases from $80 to $64. What is the percentage decrease?

A

30%

B

20%

C

15%

D

25%

A population decreased by 15%. What is the remaining population?

A

85% of the original population

B

90% of the original population

C

70% of the original population

D

100% of the original population

If a salary decreases by 10%, what is the amount of the decrease?

A

20% of the original salary

B

5% of the original salary

C

15% of the original salary

D

10% of the original salary

If a price increases by 20%, what is the multiplier for the increase?

A

2.00

B

0.80

C

1.20

D

1.50

The value of a car depreciates by 10%. What is the multiplier for the depreciation?

A

0.50

B

1.10

C

0.75

D

0.90

Erin puts £240 into a savings account which has 3% APR and leaves it.

How much will she have after 4 years?

How much will she have after 4 years?

Which should Alice choose and Why?