How would you set up an equation to solve this problem?

Question

A clown weighs 60 lbs more than a trapeze artist. The trapeze artist weighs two thirds as much as the clown. How much does each weigh?
Choices for the weight of the trapeze artist are: 110, 120, 125

Answer 1

c = t+60
t = 2/3 c

or,

t = 2/3 (t+60)

Answer 2

Thanks how about this one?

Western State College is 18 years older than southern state. Western is also 2.5 times as old as southern state. How old is each?
choices for southern state are 12, 14, and 18

Answer 3

huh? This is exactly like the last one; just use different numbers.

What do you get?

Answer 4

W=2.5S
W = S + 18

2.5S=S + 18?

Answer 5

yes.