# Marina can make 36 cupcakes in 45 minutes. How long will it take for her to make 108 cupcakes?

135 Minutes

Thee times as many cupcakes take three times as many minutes.

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To find out how long it will take for Marina to make 108 cupcakes, we can set up a proportion:

36 cupcakes / 45 minutes = 108 cupcakes / x minutes

Cross multiplying:

36 * x = 108 * 45

Solving for x:

x = (108 * 45) / 36

x = 135 minutes

So, it will take Marina 135 minutes to make 108 cupcakes.

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