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stellarik [79]
3 years ago
7

You are ordering planks of

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0

you need 10 8' planks of wood because 15x3= 45+9x4= 77, then 77÷8= 9.625, but you can't get .625 of a plank, so 10. hope you get a good grade!

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