A factory uses 18.75 liters of a chemical each day. On Monday, it used only 2/3 of the daily amount. On Tuesday, it used 25% more than it did on Monday. How much chemical was used in total over the two days?
Show answer & explanation
Correct answer: A
Explanation
Daily usage = 18.75 liters
Usage on Monday = 18.75 × 2/3 = 12.5 liters
Usage on Tuesday = 12.5 + 25% of 12.5
= 12.5 + 3.125
= 15.625 liters
Total usage for both days = 12.5 + 15.625
= 28.125 liters