Question

there are 80 people at the city swimming pool today. everyone in the park was wearing swimsuits and sunglasses; some people had both. how many people had swimsuits on but not sunglasses, if you know 68 people had swimsuits on and 39 had sunglasses?

Answer 1

41 people

Explanation:

If there are 68 people wearing swimsuits and 39 people are wearing sunglasses: 80 - 39 = 41. 41 people are wearing swimsuits but not sunglasses. This is only true aslong as everyone had to be wearing atleast a pair of sunglasses or a swimsuit.