Question

Write and solve analgebraic equation for thesituation.Eight and one-half yearsago, Steven was 7 yearsold. How old is he now?

Answer 1

It is given that eight and a half years ago Steven was 7 years old.How old is he now.

Let the present age of Steven be x so it follows:

`\begin{gathered} x-8.5=7 \\ x=7+8.5 \\ x=15.5\text{ years} \end{gathered}`

So Steven is 15 and a half year old.