Mathematics, 28.01.2020 13:37 charlesrogers38

Acontractor uses the expression 7(x+3) to find the length, in feet, of chain that he needs for a certain project. part a the contractor needs four chains that are the length. what is the total length of all the chairs? show work because i really don't understand.

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Acontractor uses the expression 7(x+3) to find the length, in feet, of chain that he needs for a cer...