how many pieces of plywood,each 0.45cm thick,are required to make a pile 2.43m high?
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the number of piles=2.43*100/0.45
=243/0.45
=24300/45
=8100/15
=2700/5
=540
=243/0.45
=24300/45
=8100/15
=2700/5
=540
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