SOLUTION: Suppose that a linear cost function for an item is given by C (x) = 50x + 300. the items sell for $75 each. Find the break - even quanity.

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Question 316406: Suppose that a linear cost function for an item is given by C (x) = 50x + 300. the items sell for $75 each. Find the break - even quanity.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
At breakeven, revenue R(x) equals cost C(x).
+R%28x%29=75x
+C%28x%29=50x%2B300
+75x=50x%2B300+
25x=300
x=12
12 units need to be sold.