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02-05-2018
Mathematics

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Of the 280 muffins that Mr. Parker baked, 40% were corn muffins. How many more corn muffins must Mr. Parker bake so that 60% of the muffin are corn muffins?

Respuesta :

02-05-2018

56 more muffins

A good place to start is finding the value of 1%.
If 100%=280, then 1%=2.8.
1% times 40%= 40%
2.8 times 40%= 112
1% times 60%= 60%
2.8 times 60%= 168
168-112=56

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