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taurus [48]
2 years ago
11

By which number -7÷25 should be divided to get -1÷15

Mathematics
1 answer:
fredd [130]2 years ago
3 0

Answer:

Step-by-step explanation:

Set it up like an equation first:

\frac{\frac{-7}{25} }{x}=-\frac{1}{15} and then bring up the lower fraction, flip it, and multiply:

-\frac{7}{25}*\frac{1}{x}=-\frac{1}{15}

Simplify to

-\frac{7}{25x}=-\frac{1}{15} and cross multiply to get

-25x = -105 and divide both sides by -25 to get that

x=\frac{105}{25}=\frac{21}{5}

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