Question 815630: the base pay of a water delivery person is $210 per week. he also earns 20% commission on any sales he makes. write and equation relating total earnings (E) to total sales (S). then use your equation to find out how much he has to sell to earn $300.
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! e(s) = 0.20s + 210
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e(s) = 0.20s + 210
300 = 0.20s + 210
0.20s = 90
s = 90/0.20
s = 450
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Answer:
he must sell $450 to earn $300
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