Proportions

Express as a ratio in simplest form: 40 boys out of 84 students.

• 1:2
• 12:25
• 10:21
• 16:12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 12 girls and 16 boys in the class. Express the ratio of the number of girls to the total number of students in simplest form.

• 12:16
• 3:7
• 3:4
• 12:28

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Juan drove 45 miles on 1½ gallons of gas. About how many miles did Juan drive per gallon of gas?

• 30
• 10
• 20
• 15

Tags

CCSS.7.EE.B.3

Charmia is planning a trip with her friends by renting a bus. She found that the bus costs $540 for 20 people. If she is planning to go with 11 friends, and herself, approximately how much will Charmia pay the bus driver?

• $324
• $280
• $31
• $220

Online I can download 25 songs for $75.75. Find the unit cost.

• $3.03
• $12.05
• $25
• $14.25

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480
• 1960
• 84
• 25

Bottled apple juice is sold in four different sizes.  Which is the best buy?

• 10-ounce bottle for $2.40
• 8-ounce bottle for $3
• 16-ounce bottle for $3.50
• 64-ounce bottle for $15

Tags

CCSS.6.RP.A.3B

Three-fourths of a pound of flour is poured into a jar. If it occupies one-third  of the jar, what quantity of flour could be stored in the jar?

• 1/2 pound
• 2 1/4 pound
• 1/4 pound
• 4 pounds

Tags

CCSS.7.RP.A.1

One-third of two-fifths of a meter is:

• 5/6 meter
• 2/15 meter
• 1 meter
• 3/4 meter

Tags

CCSS.5.NF.B.6

If the average duration of a song on a CD is x, the number of songs on the CD is n, and the total duration of the songs from the CD is q, which of the following equations could be used to determine the duration of one song on the CD?

• x=n/q
• x=q/n
  
• x=qn
• n=xq
  

Tags

CCSS.HSA.CED.A.4