Question

If you add​ Natalie's age and​ Fred's age, the result is 42 . If you add​ Fred's age to 4 times​ Natalie's age, the result is 84 . Write and solve a system of equations to find how old Fred and Natalie are

Answer 1

42 x 4 is 168 and 84 x 4 is 336

Answer 2

N+F= 42 and F+( 4 x N) =84