Respuesta :

Change 1 1/2 into improper faction

1 1/2 = 3/2

Change 3/2 to quarters

3/2 = 6/4

1 measure cups = 1/4 cup

To get 6/4 cups 
6/4 ÷ 1/4 = 6/4 x 4/1 = 6 

He needs to fill in 6 times

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