18 - 2H = 12 - .5H
Combine the variables
18 - 2H + .5H = 12 - .5H + .5H
18 - 1.5H = 12
Combine the whole numbers
18 - 18 - 1.5H = 12 - 18
-1.5H = -6
Divide by -1.5
-1.5H/-1.5 = -6 / -1.5
H = 4
The answer is 4 hours
The first one is C. 12/16, 15/20
^ _ ^
Answer:
2.5833333333333333333
Step-by-step explanation:
Answer:
Caleb keeps 65% of his mask collection on the wall.
