# math

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2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?

• math -

(2/3)/10 = 20/x

(2/3)x = 200

x = 200 / (2/3)

x = 200 * (3/2)

x = 600/2

x = 300

• math -

An empty bathtub is filled with water at a rate of 2.5 litles per minuye. how long will it take to fill the bathtub with 30 liters of water?

• math -

12 minutes

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