8th Review 6d

Find the percent change if 60 is decreased to 45. Round to the nearest tenth, if necessary.

• 25%

• 0.25

• 33%

• 0.33

Find the percent change if 11 is increased to 66. Round to the nearest tenth, if necessary.

• 500%

• 5%

• 700%

• 83%

Find a 5% commission on $3000.

• $150

• $300

• $60,000

• $3300

Jaime bought 2 chapsticks for $12.95 each. Find the total cost of the purchase if sales tax is 7%

• $25.90

• $1.81

• $27.71

• $18.13

David earned $1300 last month. He spent $390 on fixing his car. What percent of his earnings did David spend on fixing his car?

• 30%

• 3.33%

• 910

• 43%

If $600 is invested at a 5% rate for 4 years, how much simple interest is earned?

• $120

• $1200

• $300

• $150

Using simple interest, how long would $800 have to be invested at a 5% rate to earn $80 in interest?

• 2 years

• 3 years

• 1.5 years

• 2.5 years