Description
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.
Explanation & Answer
As given is
C = 3x + 5
From above relation, we get
(C - 5) / 3 = x
So now we find minimum items by putting C = 50, we get
(50 - 5) / 3 = x
45 / 3 = x
x = 15
HENCE Minimum items are 15.
Now we find maximum items by putting C = 80, we get
(80 - 5) / 3 = x
75 / 3 = x
x = 25
HENCE Maximum items are 25.
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