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.

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Expert Answer

Step 1

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

Algebra homework question answer, step 1, image 1
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Step 2

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

Algebra homework question answer, step 2, image 1
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Step 3

Since equation (2) satisf...

Algebra homework question answer, step 3, image 1
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Math

Algebra

Equations and In-equations