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You are laying cement for a new patio. To set the cement, you first need to lay steel rods (rebar) in a rectangular
grid within the frame. Each piece of rebar is laid 3 of a foot away from each other. If the patio is 14 feet wide,
how many pieces of rebar do you need for the bottom layer?
5 pieces
12 pieces
19 pieces
54 pieces
57 pieces
Sagot :
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