Problema 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 items that he can purchase.
Answer provided by our tutors
50 <= C
50 <= 3x + 5
........
........
x >= 15
C <= 80
3x + 5 <= 80
........
........
x <= 25
Jerry can purchase minimum 15 items and maximum 25 items.