Please help me as soon as possible.

Question

PLease help me as soon as possible i need to do this homeworkAt a basketball game , students paid $2 and adults paid $4 to get into the game. We know that $600 was collected and 180 total people were in attendance. How many students and how many adults went to the basketball game?

Answer 1

S+A=180

2S + 4A = 600

S=180-A

Substitute: 2(180-A) + 4A = 600

2A =600-360

A=120

S=60