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The Jelly Junior High school color is made by mixing red paint with yellow paint. The ratio of red to yellow is 3 to 5. How much red paint should be mixed with 20 oz of yellow?

12 oz

The Lawn Order lawnmower factory can produce 12 lawnmowers in 8 hours. How many hours will it take the factory to produce 30 lawnmowers?

20 hours

The ratio of orange juice to pineapple juice in TropicaI Treat punch is 4 to 3. Bill has 64 oz of orange juice How 10 much pineapple juice does he need?

48 oz

A cookie reclpefor 60 cookies callsfor 4 cups of flour. HOW much flour isneeded to make 90 cookies?

6 cups

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

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

3.2 gallons

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

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

10/4 = n/6

n = 15

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

2 ⅘ + (-6.25)

-3 9/20 or -3.45

n/13 = 4/1

n = 52

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

If there are 1,200 calories in 8 oz of hot fudge. how many calories are in 3 oz of hot fudge?

450 calories