Ratios & Proportions- Comparing &Scaling Review I&II

Simplify the ratio of

35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Which of the following describes 3: 7

• ratio of red to green apples

• ration of red apples to total apples

• ratio of green apples to total apples

• none of the above

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

What is a Ratio?

• A comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

• 20 pencils
• 24 pencils
• 96 pencils
• 48 pencils

If we have the following recipes for juice, which one will taste the most cherry:

Sam: 1 part cherry, 4 parts sprite

Katie: 2 parts cherry, 4 parts sprite

Michael: 6 parts cherry, 8 parts sprite

• Michael

• Katie

• Sam

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes