Question

I need help on this question thanks

Answer 1

1. Let c and b represent candy and combo purchases, respectively.
.. amount = 3c +5b

2. amount ≤ 12
.. 3c +5b ≤ 12

3. amount ≥ 12
.. 3c +5b ≥ 12

4. amount = 12
.. 3c +5b = 12
.. (c, b) = (4, 0) . . . . . the only integer solution