Ratios
Proportions
Percent of Change and Simple Interest
Tax, Tip, Discount, Markup
Unit Rate
100

16 chaperones to 48 students

1 to 3

100

The ratio of adults to children in a movie theater is 7:2. If there are 26 children in the theater, how many adults are there?

91 adults

100

Bryson sent 3,809 text messsages in June. In

July, he sent 3,115.

18.2% decrease

100

flight: $229, 60% markup

 What is the selling price?

100

What is 1 + 1

2

200

56 magazines to 35 books

8 to 5

200

The ratio of students to laptops in a school is 3:2. If there are 1,200 students, how many laptops are there?

800 Laptops

200

Clarissa’s credit score went from 670 to 715 in one year.

6.7% increase

200

Toby found a $52 wallet on the clearance rack for 60% off. If sales tax is 6.25%, how much will he pay in total?

$22.10

200

Mark casts a shadow that is 4 feet long. At the same time, a nearby tree casts a shadow that is 20 feet long. If Mark is 6 feet tall, how tall is the tree?

30 feet

300

Jack burned 150 calories on the elliptical and 210 calories on the treadmill. What is the ratio of calories burned on the elliptical to calories burned on the treadmill?

5 to 7

300

If 24 water bottles weigh 30 pounds, how much would a shipment of 150 water bottles weigh?

187.5 pounds

300

To purchase an engagement ring for his girlfriend, Elliott borrowed $3,800 from the bank for three years at a 4.25% simple interest rate. How much interest will he have paid at the end of the loan?

$484.50

300

A car salesperson earns 5.8% commission on every car sold. How much commission will the salesperson earn on the sale of a $28,400 car?

$1647.20

300

A map of a city uses a scale of 1 centimeter = 3.5 meters. If a road shown on the map runs for 25 centimeters, how long is the road?

87.5 Meters

400

Ari read 28 pages of her book on Friday. On Saturday, she read 20 more pages than she did on Friday. What is the ratio of pages read Friday night to Saturday night?

7:12

400

There are 158 beats per minute in a certain Taylor Swift song. If the song is 3 minutes and 30 seconds long, how many total beats are there?

553 beats

400

Cora put $4,000 in a college

savings account with a 5% simple

interest rate. How much will she

have in the account altogether

after 5 years?

$5000

400

Skylar got a manicure for $28 and pedicure for $35 at the salon. If she plans to tip 15%, how much will she pay in total?

$72.45

400

2 (3/4) yards of fabric for $22

$8 per fabric

500

Kaci has $760 in her savings account and $200 in her checking account. If she withdraws $40 from her checking account, find the ratio of her checking account balance to her savings account balance.

4 to 19

500

Alana’s hair grew 2 inches in 5 months. How

many inches would her hair grow in 1 year?

4.8 inches

500

Stan had a personal best one mile run time of 6 minutes and 35 seconds. After his last run, his new personal best is 6 minutes and 20 seconds.

3.8% decrease

500

Ella is buying a $110 chair. She has a coupon for 15% off. How much does she pay for the chair if sales tax is 6%?

$99.11

500

What is a better deal?

Option A: 12 Binders for $30

Option B: 7 Binders for $16.80

Option B

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