Your pump empties the water from a swimming pool in 6 hours. When your friend's pump is used together with your pump, the pool i
s emptied in 1.5 hours. How long (in hours) does it take your friend's pump to empty the pool when working alone? Hour(s)
1 answer:
(I'm sorry if this is wrong, I'm bad at math but this one was pretty simple really) 6-1.5=4.5
Hope this helps! Let me know
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