2 cup cakes five hours for fifteen hours.

So if your questions is there are 2 cupcakes made every two hours for fifteen hours, how many cupcakes were made? then the answer 6 cupcakes were made in 15 hours. Because there are three 5 hour blocks in 15 hours and 3 times 2 cupcakes per 5 hours is 6 cupcakes.

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step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.