SOLUTION: Over the last three years, Salesperson A has earned twice as much as Salesperson B, who in turn has averaged 50% more than Salesperson C. The three combined to make $220,000 over t

Question 591962: Over the last three years, Salesperson A has earned twice as much as Salesperson B, who in turn has averaged 50% more than Salesperson C. The three combined to make $220,000 over the three years. How much did Salesperson B earn on average in any year?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount salesperson A earns in 3 yrs
Let = amount salesperson B earns in 3 yrs
Let = amount salesperson C earns in 3 yrs
given:
(1)
(2)
(3)
-------------------
(2)
By substitution

and
(1)

and

--------------

Salesperson B averaged $ 20,000 per yr
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