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One pipe can fill a tank 3hours another pipe can fill tank in 6 hours

Sagot :

Answer:

\frac{1}{3} + \frac{1}{6} = \frac{1}{x}

3

1

+

6

1

=

x

1

\frac{2 + 1}{6} = \frac{1}{x}

6

2+1

=

x

1

\frac{3}{6} = \frac{1}{x}

6

3

=

x

1

3x = 63x=6

\frac{3x}{3} = \frac{6}{3}

3

3x

=

3

6

x = 2x=2

2 hrs.