Answer:
4.5h + 3d ≤ 70
Step-by-step explanation:
The total amount on the purchased hotdog + drink has to be less than or equal to $70. Therefore:
4.50 × hotdogs + 3 × drink ≤ 70
4.5h + 3d ≤ 70
(Can also written as 9h + 6d ≤ 140 if we want all coefficient in integer number)