Chapter 6 Review- Proportions, Dilations, Ratios & Unit Rate

Express the ratio in simplest form:
9 feet to 12 inches

• 9/1
• 9/12
• 3/4
• 12/1

Express the ratio in simplest form:
7 quarts to 2 gallons

• 7/2
• 7/8
• 14/2
• 3/2

Find the unit rate
55 pages in 25 minutes

• 55 pages per minute
• 25 pages per minute
• 2.2 pages per minute
• 3 pages per minute

Find the unit rate
$4.60 for 5 cans of soup

• .60 per can
• .62 per can
• .90 per can
• .92 per can

Determine if these ratio are proportional
6.4 / 16
and 32/80

• yes
• no

Determine if these ratio are proportional
21/24    
and
56/64

• yes
• no

Solve for y
25 / 60 = y / 12

• 5
• 7
• 9
• 4

Given the scale 5 centimeters = 2 kilometers
25 centimeters = _______

• 5 kilometers
• 10 kilometers
• 15 kilometers
• 2 kilometers

Given the scale 5 centimeters = 2 kilometers
5.6 kilometers = ______ centimeters

• 10 centimeters
• 12 centimeters
• 14 centimeters
• 16 centimeters

Solve for x
2.5 cm / 6.5 cm   =  10 cm/ x

• 20 cm
• 22 cm
• 24 cm
• 26 cm