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tatiyna
2 years ago
9

Solve the following system of equat

Mathematics
1 answer:
kirza4 [7]2 years ago
4 0
What have you done so far?  Why not start by eliminating the variable x?  Do you know how to do that?  Hint:  use multiplication / division of rows and then addition / subtraction.
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now, we know Trever makes $500 in salary and 2% on sales, let's say he sells "x" amount, how much is 2% of x?  well (2/100) * x, or 0.02x.

Therefore Trever's earnings are 500 + 0.02x, his salary plus his commission.

to earn a total of 2,000, then 500 + 0.02x = 2000, thus

\bf 500+0.02x=2000\implies 0.02x=1500\implies x=\cfrac{1500}{0.02}\\\\\\ x=75000
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