Ratios Review | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 20 Public

Ratios and Proportions

Study Slideshow

Jasmine is building bird houses. It takes 4 1/2 hours to build 4 hours. How many birdhouses could she build in 1 hour?

1 1/8 or 1.125

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

Yes, the constant of proportionality is 0.4. y=0.4x

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A chef filled up 3 containers with mashed potatoes. He ended up using 2 1/4 pounds of potatoes. Find the the amount of containers the chef will fill with 1 pound of mashed potatoes.

12/9, 4/3, 1 3/9, or 1 1/3 containers

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You earn $33 in 8 hours. At that rate, how much would you earn in 5 hours?

$20.63 (20.625)

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An airplane flies 105 miles in ½ hour. How far can it fly in 1 ¼ hours at the same rate of speed?

262.5 miles

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

Yes, the constant of proportionality is 7. y=7x

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Is this a proportional relationship? Why or why not? If so, find the constant of proportionality and write an equation.

No, the line does not go through the origin so the ratios are not equivalent.

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You jog 3.6 miles in 30 minutes. At that rate, how far will you run in 20 minutes?

2.4 miles

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

No, the line is not straight and it does not go through the origin so the ratios are not equivalent.

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Sparky's Car Wash can wash 20 service vehicles in 5 hours. How long would it take the company to wash 45 service vehicles?

11 hours and 15 minutes 11.25 or 11 1/4 hours

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

No, the line does not go through the origin which means the ratios are not equivalent.

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

Yes, the constant of proportionality is 5. y=5x

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

No, the ratios are not equivalent. 3 does not equal 2.5

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If one gallon of paint covers 825 sq. ft., how much paint is needed to cover 2640 sq. ft.?

3.2 gallons

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Is this a proportional relationship? If so, find the constant of proportionality and write an equation.

Yes, the constant of proportionality is 1/3. y=1/3x

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Bob is taking his son to look at a college 150 miles from their home. In the first hour they drive at a rate of 60 mph. If they want to reach their destination in 2 ½ hours, what speed must they average the last 1 1/2 hours?

60 miles per hour

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