Question

There are 8 boys and 12 girls in mr.Rossi’s class. One student Will be chosen randomly to represent the class at the conference of seventh grade. What is the probability that the representative will be a girl?

Answer 1

Explanation:

`8 + 12 = 20 \\ probability \: = expected \: outcome / possible \: outcome \\ \\ \\ (12)/(20 ) = (3)/(4)`