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Kento's recipe for a batch of muffins calls for 2 1/2 cups of flour. How much flour would Kento need to make 3 1/2 batches of muffins?

Respuesta :

Supernova
1 batch of muffins = 2 1/2 cups of flour
3 1/2 batch of muffins = ? cups of flour 

Multiply 3 1/2 by 2 1/2.

Change them into improper fractions.

3 1/2 = 7/2
2 1/2 = 5/2

Now multiply.

7/2 x 5/2 = 35/4

35/4 is the same as 8 3/4 or 8.75.

Kento would need 8 3/4 cups of flour to make 3 1/2 batches of muffins.