Question

Seven more than twice John's age is55. How old is John?A.48B.24C.31D.62

Answer 1

First, express the problem as an equation. 'Seven more' means +7, 'twice John's age' means 2J. Let's express it.

`7+2J=55`

Once we express the equation, solve for J.

First, subtract 7 from each side.

`\begin{gathered} 7-7+2J=55-7 \\ 2J=48 \end{gathered}`

Second, divide each side by 2.

`\begin{gathered} (2J)/(2)=(48)/(2) \\ J=24 \end{gathered}`

Therefore, John is 24 years old.

B is the answer.