Ch.6 Quiz Lessons 4-6

Find the percent of change. State whether it is an increase or decrease.

From $40 to $32

• 20% decrease

• 25% decrease

• 30% increase

• 23% increase

Find the percent of change. State if it is an increase or decrease.

From 56 inches to 63 inches.

• 11.1% increase

• 12.5% increase

• 13.4% decrease

• 15% decrease

Find in the percent error.

Estimated distance: 60 miles

Actual distance: 75 miles

Find the percent error:

Projected cost: $1,250

Actual cost: $2,000

• 23%

• 60%

• 6%

• 37.5%

Headphones are $75 and the markup is 40%. What is the selling price?

Kohl's pays $22 for a pair of jeans. The markup is 20%. What is the selling price?

• $17.60

• $32.40

• $18.50

• $26.40

A bike is regularly priced at $110. There is a 45% discount. Find the sale price.

A soccer ball has an original price of $59. It is on sale for 65% off the original price. Find the sale price.

• $32.48

• $97.35

• $20.65

• $44.76

Find the simple interest. Round to the nearest cent, if necessary.

$1,350 at 6% for 7 years

Find the simple interest. Round to the nearest cent, if necessary.

$240 at 8% for 9 months

• $14.40

• $172.80

• $144.00

• $98.70