
Amy M. answered 03/08/15
Tutor
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CalTech Grad, Software engineer with 30+ years experience.
R=(1 drawer)/(12 pieces)
multiply times 45 pieces
n=R•45
n=3.75 drawers
we need to have an integer number of drawers so round up
n=4 drawers
The 4 drawers can hold 48 pieces so we have space for 3 more pieces.
She can completely fill only 3