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lorasvet [3.4K]
3 years ago
13

What is the unknown number of n/7= 5/(7/9) ?

Mathematics
2 answers:
bekas [8.4K]3 years ago
6 0

Answer:

the unknown numer is n=45

icang [17]3 years ago
3 0

For this case we must find the value of "n" of the following expression:

\frac {n} {7} = \frac {5} {\frac {7} {9}}

Applying double C on the right side:

\frac {n} {7} = \frac {9 * 5} {7 * 1}\\\frac {n} {7} = \frac {45} {7}

We multiply by 7 on both sides of the equation:

n = 7 * \frac {45} {7}\\n = 45

Thus, the value of n is 45.

ANswer:

n = 45

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