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Mathematics, 10.02.2021 22:40 lucialovell6804

John needs 23 boards to build rafters for his house. He can use 16-foot or 20-foot length boards. He needs seven fewer 16-foot boards than 20-foot boards. Write and solve a system of equations to determine how many of each board John needs.

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John needs 23 boards to build rafters for his house. He can use 16-foot or 20-foot length boards. He...
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