A skydiver falls 144 feet in three seconds how far does the skydiver fall per second
2 answers:
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Time taken by Ria to paint a room = 4 hours
Time taken by Destiny to paint a room = 6 hours
If they work together, they complete 1 job. So,
The LCD of 4 and 6 is 12
Hence, both of them can paint the room in hours or 2.4 hours.