Problem of the Week from Mathnasium of South Beaverton

Jan 13, 2017 | South Beaverton

Here is the problem:

The Lakeside Elementary School Choir is hosting a fund-raising concert event next week. They sold child tickets for $10 each and adult tickets for $20 each. They made $2,000. If they sold 60 adult tickets, how many child tickets did they sell?