Stephanie M. answered 05/15/15
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s = tickets steve sold
t = tickets tom sold
Write a system of equations to model this situation:
s + t = 126 (together, they sold 126 tickets)
s = 3t + 4 (3 times Tom's tickets plus 4 is Steve's total)
Plug the second equation into the first and solve for t:
s + t = 126
3t + 4 + t = 126
4t + 4 = 126
4t = 122
t = 30.5
Now, plug t = 30.5 back into the second equation and solve for s:
s = 3t + 4
s = 3(30.5) + 4
s = 91.5 + 4
s = 95.5
So, Steve sold s = 95.5 tickets and Tom sold t = 30.5 tickets.
It seems unlikely that they sold half-tickets... You may want to check your numbers.