Applications of Proportions

Write in simplest form.

28 s/ 2 mins

• 14s/ I min

• 48s/4 mins

• 7s/ 30s

• 7s/30mins

A water pump moves 330 gallons of water in 22 minutes. Find the unit rate.

• 15gal/1 min

• 16gal/1 min

• 165gal/11mins

• 0gal/1 min

If you have a 32 in. television set, how many feet will it be?

• 2.7 ft

• 2.63 ft

• 2.5 ft

Use dimensional analysis to convert: 25cm.= ?in. (round to the nearest tenth if necessary)

• 10 in.

• 11.2 in.

• 9.8 in.

Use dimensional analysis to convert:

15 mi/h = _____ ft/min

• 4,752,000 ft/min

• 1455 ft/min

• 1320 ft/min

• 0.17 ft/min

You have a class photo that is 10 inches long and 8 inches wide if you want to enlarge your photo to be 15 inches long how wide would it be.

• 16 in.

• 9 in.

• 12 in.

• 15 in.

Tags

CCSS.6.RP.A.3B

Find the value of m

• m = 18

• m = 30

• m = 24

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.G.B.6

A window on a computer screen is 1 ½ in. high and 2 in. wide. After you click the “size reduction” button, the window is reduced to 1 ⅛ in. high and 1 ½ in. wide. What is the scale factor?

• 5

• 3/4

• 4/3

An architect made a model building for a scale of 1in representing 60 feet. If the height of the model is 5 ½ inches then what is the height of the actual building?

• 600 ft

• 350 ft

• 250 ft

• 330 ft

A frame of a movie film is 35mm wide and 26.25 mm high. The film projects an image 8 m wide. How high is the image?

• 10.7 m

• 6m

• 12.8 m

• 18.9 m