Question

Jack is 4 times as old as Lacy. 9 years from now the sum of their ages will be 63. How old are they now?

Jack is
years old while Lacy is
years old.

Answer 1

Let Jack be J and Lacy be L.

First equation: J=4L

Second equation: (J+9)+(L+9)=63

Solving using substitution:

4L+9+L+9=63

5L+18=63

5L= 45

L = 9

L=9 and J=4L = 4*9 = 36

So Jack is 36 years old and Lacy is 9 years old.

Answer 2

jack is 54 and lacey is 13.5. I think

Explanation: