Question

Three times a number, divided by 7 gives 9. Find the number.

Answer 1

$let \: the \: number \: be \: x \\ </p><p>here, \\ </p><p>Three \: times \: a \: number = 3x \\ </p><p>Three \: times \: a \: number,divided \: by \: 7 = \frac{3x}{7}$

therefore the equation would be

$\frac{3x}{7} = 9 \\ 3x = 63 \\ x = \frac{63}{3} \\ x = 21$

Answer 2

Answer:

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