A total of 50 students play either soccer or lacrosse.

- 20 girls play lacrosse
- 20 boys play either soccer or lacrosse
- 20 students play soccer

**There are 30 girls and 20 boys.**

Find the probability of a student playing soccer

= 20/50 = 0.4

Find the probability that a student is a girl

= 30/50 = 0.6

Find the probability that a student plays soccer and is a girl

= 10/50 = 0.2

Find the probability that a student plays soccer or is a girl

P = 0.4 + 0.6 - 0.2

=

**0.8**

__Ask Algebra House__