Answer: The greatest number of cups of yogurt MOnica can buy is 14.
Step-by-step explanation:
If she  need to buy a gallon of milk then it means that $2.50  will be deducted from the money . Â
Use the the inequality to solve for how many cups of yogurt Monica can buy
1.20x + 2.50 ≤ 20
       -2.50  2.50
1.20x ≤ 17.5
x≤14.5833... Â
which means the greatest number of  cups of yogurt Monica can buy is 14.
