There were 150 people at the Junior-Senior dance Sasha and her friends attended. Junior tickets were $2.00 each and Senior tickets were $3.50 each. The total receipts for the dance were $405. How many Juniors bought tickets?
Answer
90
70
80
100

Question

There were 150 people at the Junior-Senior dance Sasha and her friends attended. Junior tickets were $2.00 each and Senior tickets were $3.50 each. The total receipts for the dance were $405. How many Juniors bought tickets?
Answer
		90
		70
		80
		100

directrix · Answer

Juniors --> 80 See graph at: http://www.wolframalpha.com/input/?i=%28J+%2B+S+%3D+150%29+and+%282J+%2B+3.5S+%3D+405%29

directrix · Answer

J + S + 150 where J = # of Juniors and S = # of Seniors
2J + 3.5S = 405