Question

A number, double the number, and 16 are added. The result is 61. What is the original number?

Answer 1

ANSWER

$15$

EXPLANATION

Let the number be x.

If the number is doubled, it becomes:

$2x$

The number, double the number and 16 are added and the result is 61.

This implies that:

$x+2x+16=61$

Solve for x:

$\begin{gathered} 3x+16=61 \\ 3x=61-16=45 \\ x=\frac{45}{3} \\ x=15 \end{gathered}$

That is the number.