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Sauron [17]
3 years ago
15

One pump can fill a swimming pool in 6 hours. A second pipe drains the pool in 9 hours. If the the pool starts empty, what part

of the pool will be filled if the first pipe works for 5 hours and the second pipe works for 6 hours.
Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer:

1/6

Step-by-step explanation:

5/6=150/180

6/9=120/180

150/180 - 120/180 = 30/180

30/180=1/6

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Step-by-step explanation:

when 2 shapes are similar, it means that all their angles are the same compared with each other.

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we have one side (30 m in A and 50 m in B), where we have both measures.

we see that the ratio to "go" from A to B is 30/50 = 3/5.

that means a distance in A is the same distance in B multiplied by 3/5.

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therefore,

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From the given diagram:

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