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konstantin123 [22]
3 years ago
5

a contractor uses the expression 7(x+3) to find the lenght,in feet,of chain that he needs for a certain project. Part A the cont

ractor needs four chains that are this lenght.What is the total lenght of all of the chains?
Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
4 0
Given that x is the number of chains;

7(4+3) = 7 * 7 = 49 feet
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