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Study Guide Percent Multi-Ratio Problems

Posljednje ažuriranje 9 months ago

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Pitanje 1

1.

Simple Interest: What is the simple interest earned on $300 for 4 years at an annual rate of 6%?

A) $60

B) $72

C) $90

D) $96

Pitanje 2

2.

Simple Interest: Mia deposits $800 at 3% simple interest for 2 years. How much interest will she earn?

A) $24

B) $32

C) $48

D) $96

Pitanje 3

3.

Percent of Change: The school club grew from 40 members to 50 members. What is the percent increase?

A) 20%

B) 22%

C) 25%

D) 28%

Pitanje 4

4.

Percent of Change: A shirt was $20 and is now $15. What is the percent decrease?

A) 15%

B) 20%

C) 25%

D) 30%

Pitanje 5

5.

Percent Error: Wei estimated the mass of a rock to be 60 g. The actual mass is 75 g. What is the percent error?

A) 15%

B) 20%

C) 25%

D) 30%

Pitanje 6

6.

Tip: A family’s restaurant bill is $36. They leave a 15% tip. How much money do they leave for the tip?

A) $4.50

B) $5.40

C) $5.70

D) $6.00

Pitanje 7

7.

A video game costs $40. The sales tax rate is 8%. What is the total price?

A) $43.20

B) $44.00

C) $48.00

D) $49.60

Pitanje 8

8.

A salesperson earns 6% commission on sales. If she sells $2,500 worth of bikes, how much commission does she earn?

A) $125

B) $135

C) $140

D) $150

Pitanje 9

9.

Convert 32.5% to a decimal.

Pitanje 10

10.

A $120 jacket is on sale for 25% off. What is the sale price?

A) $85

B) $90

C) $95

D) $100