extra practice ratio and proportions

Simplify 30 : 45

• 5 : 9

• 2 : 3

Sarah types 150 words in 3 minutes. How many words does she type per minute?

• 30

• 40

• 50

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

Mrs. Edgar bought an eight pack of bottled water for $4.00.  What was the unit price for the water?

• $32.00
• $0.50
• $3.20
• $5.00

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

• x = 1/24
• x = 29
• x = 28
• x = 3/2

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento
• Velveeta

• They are proportional

• They are NOT proportional

• They are possibly proportional

what is the ratio of green to total

• 3:3

• 9:3

• 3:9

• 2:3

The table represents a ​ (a)   relationship because it does not have a ​ (b)  

• non proportional
• constant of proportionality
• proportional
• negative number
• matching values
• negative
• positive
• slope

Tags

8.5.H