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gregori [183]
3 years ago
11

Number 13 is what I need done

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
5 0
Instead of using an = sign we use \leq becuase its less than or equal to 100 dollars.

The equation of the line is y=10x+7

sub in 100 for y and the inequallity sign

10x+7\leq100

solve so x is isolated

10x\leq93
x\leq9.3

technically the answer is 9 because you cant buy a fraction of a CD
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