Amelia uses 6 pieces of fabric per square foot to make a blanket.
How many pieces of fabric will she need to make a blanket that is 720 square inches?
1ft^2 = 144 in^2
so, she will need
6*720/144 = ___ pieces
How many pieces of fabric will she need to make a blanket that is 720 square inches?
so, she will need
6*720/144 = ___ pieces