Question
In 11 years, the age of Russel will be half of the square of the age he was 13 years ago. Find his present age. Explain your solution
Answers
drwls
Let x be his present age.
x + 11 = (1/2)(x - 13)^2
You could solve that quadratic equation or use trial and error.
Try x = 21
does 32 = (1/2)*8^2 ?
Looks good to me.
x + 11 = (1/2)(x - 13)^2
You could solve that quadratic equation or use trial and error.
Try x = 21
does 32 = (1/2)*8^2 ?
Looks good to me.