[6.05] There were 150 freshman and sophomores at the high school musical Reese and her friends attended. Freshman tickets were $2.00 each and sophomore tickets were $3.00 each. The receipts for freshman and sophomore tickets totaled $390. How many sophomores bought tickets?

Question

shane_b · Answer

This is a system of equations problem so first create the equations based on the info that was given:

Let x be the number of freshmen and y be the number of sophomores:
2x+3y=390
x+y=150

Now you have two equations with two unknowns.  Can you solve it from here?