Question

Huilan is 11 years younger than Thomas. The sum of their ages is 63 . What is Thomas's age?

Answer 1

37

Explanation:

Make a system of equations and solve by substitution:

h + t = 63

h = t - 11

Substitute:

(t - 11) + t = 63

2t -11 = 63

2t = 74

t = 37

So, Thomas is 37.