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erastova [34]
3 years ago
6

Klaus was replacing the roof on his house. He used 420 nails to attach all the pieces of wood. Each piece of wood needed 7 nails

to hold it in place. He used 40 piece es of wood. How many pieces were left?
Mathematics
1 answer:
jeyben [28]3 years ago
4 0
Multiply 40x7 then subtract that total you got from multiplying 40x7 with 420

40x7=160

420-160=260

260 pieces of wood were left.
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