Answer:
80 - 30(first hour )=50
50-0(2nd hour)=50
50-20=30
30-20=10
10 Is THE ANSWER
16 i think
Step-by-step explanation:
Answer: 19.2
To calculate percentage, multiply the number 80 by 0.24, and the answer is 19.2.
-9=-9 or just 1
