Question

Asked Feb 1, 2020

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If 10 shirts cost $120 and 30 shirts cost $230, write a linear equation that gives the cost, *C*, for *n* shirts.

Step 1

Suppose that the cost of shirt is C and the number of shirts is n. Suppose the linear equation is

Step 2

Now given that 10 shirts cost $120 and 30 shirts cost $230 that is

Step 3

Since equation (2) satisf...

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