Percent Change
Using Percent Change
Part, Total, Percent
Review
Test Quest
100
Yesterday you had $1. Today you have $2. What is the percent increase?

100% percent increase

100

The price of a water bottle that is $1.25 with an 80% markup

What is $2.25?

100

What is 10% of 78?

7.8

100

What is 20% of 60

12

100

A video game originally costs $40. Its price increases to $50. What is the percent increase?

25%

200

The percent discount on a $30 ticket originally worth $50

40% discount/decrease

200
The amount of a 30% discount on a $28.00 hat

What is $8.40?

200

15% of 60 is what?

9

200

A box of pencils costs $48 for 96 pencils. What is the unit rate?

$0.50 per 1 pencil

200

Felix estimated his kitten to be 4 pounds. She was really 4.7 pounds. What was his percent error? Round to the nearest percent.

15%

300

The percent change of an $8 shirt being sold for $10

25% increase

300

The cost of two mugs that cost $19.80 each, but you have a 15% off coupon

$33.66

300

What percent of 80 is 45? (Round to nearest tenth)

56.3

300

The unit cost of 6 backpacks that cost $450 total

What is $75 per backpack?

300

Millie wants to buy a new television set that regularly sells for $1100. Because she works at the store, Millie will receive an employee discount of 25% off the regular price, but she will have to pay 6% sales tax on the adjusted price. How much will she pay?

874.50

400

The percent increase in an oven's temperature from 350 to 362, to the nearest tenth

3.4%

400

The amount in an account after 5 years in which $730 is deposited at a simple interest rate of 2.8%

What is $832.20?

400

78% of a number is 211. What is that number? Round to nearest whole number

271

400

The name of the point (0,0)

What is the origin?

400

The cost of a meal at a local restaurant last year was $12.50.  This year the meal costs $13.00.  What is the percent increase of the meal price from last year to this year?

4%

500

The percent change from 120 to 68

43% decrease

500

The total cost of a meal if the bill is $120, tax is 7%, and tip is 15%

What is $146.40?

500

What percent of 70 is 360? Round to nearest whole percent

514%

500

These two criteria make the graph of a relationship a proportional one

What is a straight line through the origin?

500

280 children participated in the a soccer program last year. This year the program saw a 5% decrease in the number of participants. How many fewer children participated this year?

14