Question

Nate is 22 years old. Karina is 13 years old. How many years ago was Nate's age 4 times Karina'sage?

Answer 1

Nate current age = 22 years

Karina current age = 13 years

let

x = the years ago

`\begin{gathered} 4(13-x)=22-x \\ 52-4x=22-x \\ 52-22=-x+4x \\ 30=3x \\ x=(30)/(3) \\ x=10 \end{gathered}`

The answer is 10 years ago.