67.4k views
0 votes
Sergio is 6 years older than Heather. In 6 years the sum of their ages will be 56. How old is Sergio now?

1 Answer

0 votes

\begin{gathered} \text{let} \\ \text{Heather age=x} \\ \text{Sergio age=6+x} \\ In\text{ 6 years} \\ x+6+(6+x+6)=56 \\ x+6+12+x=56 \\ 18+2x=56 \\ 2x=56-18 \\ 2x=38 \\ x=(38)/(2) \\ x=19 \\ \text{Sergio's age=6+19=25 years} \end{gathered}

User Marvin Correia
by
7.9k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories