Rates Ratios and Proportional Reasoning

Write the ratio as a UNIT RATE of price per ticket:

$48 for 4 tickets

The ratio of boys to girls in a class is 6:4. If there is a total of 30 students in the class, how many are boys?

Melissa’s paycheck last week was $125.50. She would like to put 20% of her earnings in her savings account. How much money should she put in her savings account?

• $20

• $25.10

• $100.42

• $105.52

The prices of 3 different bottles of lotion are given in the table. Which size bottle is the best value?

• 25-ounce

• 14-ounce

• 6-ounce

• $12

• $120

• $221

• $21

Pencils are $4.00  for 10 pencils.  If the car shown is speeding to bring you a pencil for math class, what is the cost per pencil or the unit rate?   What is the cost for 5 pencils?
Make a ratio table or a proportion to find the answers.

• $0.40 per pencil; $2.00 for five pencils

• $3.24 per pencil; $5.00 for five pencils

• $1.00 per pencil; $5.00 for five pencils

• $1.44 pencil; $5.88 for five pencils

Are the two ratios proportional?
7:12 and 5 to 8

• Yes

• No

Are the two ratios proportional?
12/14 and 30:35

• Yes

• No

A car travels 288 miles in 6 hours. At that rate, how many miles will it travel in 8 hours?

• 216

• 360

• 368

• 376

• 384

• 1 29/35 teaspoons

• 35/64 teaspoons

• 5 3/5 teaspoons

• 5/28 teaspoons