Question

At her school's spring carnival, Alexandra is in charge of the balloon-launcher contest. In this contest, each team builds a catapult to launch water balloons at a target. Alexandra gives a bucket of 15 water balloons to each team in the contest. In all, she gives out 90 water balloons.
Which equation can you use to find the number of teams t in the contest?
Solve this equation for t to find the number of teams in the contest.
teams

Answer 1

Let t be the number of teams. Each team gets 15 balloons, so
15t = 90.
Solve: t = 90 ÷ 15 = 6.

There are 6 teams.