Percent of Increase/Decrease, Percent of Error, Simple Interest

A hockey stick originally costs $79. How much will Steven save if he has a coupon for 20% off?

• $15.80

• $63.20

• $158

• $94.80

A computer that originally costs $929 was returned to the electronics store. Because the box was opened, the store put it on the clearance rack for 35% off. What is the price of the computer?

• $1254.15

• $325.15

• $603.85

• $3248

The ticket price for a one-way flight from Orlando to Philadelphia is regularly $149. If Callie is purchasing a ticket for the day before Thanksgiving and the airline marked the ticket price up 72%, find the cost of her ticket.

• $107.28

• $256.28

• $41.72

• $1072.80

Dale is buying a new stereo for $1580. If sales tax is 7.2%, how much will he pay in total?

• $113.76

• $1466.24

• $1137.60

• $1693.76

The Neiman family went out to dinner. How much will they pay altogether if their came to $78.52 and they tip 18%?

• $14.13

• $64.39

• $92.65

• $15.35

Mya is buying a purse online that regularly costs $72. How much will she pay in total if she has a promo code for 25% off plus free shipping and sales tax is 5.5%?

• $56.97

• $59.67

• $54.00

• $90.00

A real estate agent receives 2.5% commission on the sale of each house. How much commission will the agent earn on the sale of a $219,000 home?

• $547,500

• $224,475

• $5745

• $5475

Felicia works for a furniture company. She earns a base salary of $300 per week, then 4% commission on sales. How much will she make in one week if her sales totaled $7,268?

• $290.72

• $9.28

• $590.72

• $2907.20

In 2000, the population of a town was 19,500 people. In 2010, thepopulation of the same town was 28,000. Find the percent of change in population from 2000 to 2010.

• 43%

• 30%

• 243%

• 44%

Vera’s final average in seventh grade was 96. In eighth

grade, her final average was 91. Find the percent of change in her final average from seventh grade to eighth grade.

• 5% decrease

• 5% increase

• 50% increase

• 0.05% decrease