<PRE><B>Question 928616</B>
y = (1/30)*(x - 500000) + 30000
y = (1/30)x - (1/30)*500000 + 30000
y = (1/30)x - 46666.666666
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y = (1/30)x - 46666.666666
40000 = (1/30)x - 46666.666666
(1/30)x = 40000 + 46666.666666
x = 30*(40000 + 46666.666666)
x = 2599999.99999
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answer:
you must sell $2,600,000 to earn salary plus bonus of $40,000
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