Molly’s age is twice Anita’s. If the sum of the squares of their ages is 80, then

Question

Translate these words into an algebraic equation to determine their ages?

Answer 1

let Anita's age be x yrs
then Molly is 2x years

x^2 + (2x)^2 = 80

Answer 2

The sum of 7 and twice Julie's height