The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in the class?

Answer 1

b:g = 5:7
b/g = 5/7
given: b=15
15/g = 5/7
cross-multiply
5g = 105
g = 21

so there are 36 students

Answer 2

118

Answer 3

How many 2s are there in 7