Solve for n
n=39
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n=\frac{13}{10}\times 30
Multiply both sides by 30.
n=\frac{13\times 30}{10}
Express \frac{13}{10}\times 30 as a single fraction.
n=\frac{390}{10}
Multiply 13 and 30 to get 390.
n=39
Divide 390 by 10 to get 39.
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