SOLUTION: Q.1 If a:m=5:8 and m:d=7:14 then a:d will be....? Q.2 A pipe fill tank in 5 mins, B fill in 6 mins. Both will fill in mins...?(by working at same time)

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Question 291044: Q.1 If a:m=5:8 and m:d=7:14 then a:d will be....?
Q.2 A pipe fill tank in 5 mins, B fill in 6 mins. Both will fill in mins...?(by working at same time)
Found 2 solutions by Greenfinch, richwmiller:
Answer by Greenfinch(383) (Show Source):
You can put this solution on YOUR website!
a:m = 5:8, m:d = 7:14 = 1:2
a:d is thus 5:8:(8x2) or 5:16
A fills 1/5 per min, B fills 1/6 per min. Together, they fill at 1/5 + 1/6
So 6 + 5 over 30 = 11/30ths per min. Time is thus 30/11 = 2 8/11 mins
Roughly 2 mins 44 secs

Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website!
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