SOLUTION: if a recipe for cake calls 2 1/2 cups of flour and Mary wishes to make three such cakes the number of cups of flour she use is

SOLUTION: if a recipe for cake calls 2 1/2 cups of flour and Mary wishes to make three such cakes the number of cups of flour she use is

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Question 541308: if a recipe for cake calls 2 1/2 cups of flour and Mary wishes to make three such cakes the number of cups of flour she use is
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Multiply 3 by 2 1/2 to get

3*(2 1/2) = 3*(2+1/2) = 3*2 + 3*(1/2) = 6 + 3/2 = 6 + 1 1/2 = 7 1/2

So she needs 7 1/2 cups of flour (seven and a half cups of flour)

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