SOLUTION: Jerry wants to purchase some items whose cost function is c=3x + 5, where x is the number of items. If Jerry spends between $50 and $80, find the minimum and maximum number of item

SOLUTION: Jerry wants to purchase some items whose cost function is c=3x + 5, where x is the number of items. If Jerry spends between $50 and $80, find the minimum and maximum number of item

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Question 833602: Jerry wants to purchase some items whose cost function is c=3x + 5, where x is the number of items. If Jerry spends between $50 and $80, find the minimum and maximum number of items that he can purchase.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
50=3x+5
50-5=3x
45=3x
45/3=x
x=15
------------
80=3x+5
80-5=3x
75=3x
75/3=x
x=25
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