Amount of room hannah can paint in an hour = 1/20
amount of room destiny can paint in an hour = 1/16
number of hours = x
1/20x + 1/16x = 1
the reason why this formula is true is, the amount of the room painted in the end should be 1 (the whole room)
4/80x + 5/80x = 1
9/80x = 1
9x = 80
x = 80/9 hours
x = 8.89 hours
Answer:
the answer will be 3.5 i think
Step-by-step explanation:
Answer: 64 inches long
Step-by-step explanation: 16*4=64
1 * 3 + 2
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3
Answer: 5/3.
