The ratio of girls to boys in the math club was 3:5. If there were 120 children altogether, how many girls were there?

Question

The ratio of girls to bthe math club was 3:5. If there were 120 children altogether,

how many girlThe ratio of girls to boys in the math club was 3:5. If there were 120 children altogether,

how many

s were there? The ratio of girls to boys in the math club was 3:5. If there were 120 ch

The ratio of girls to boys in the math club was 3:5. If there were 120 children altogether,

how many girls were there?

Answer 1

g/b= 3/5

120 = g+b

b = 120-g

g/(120-g) = 3/5

cross multiply

5g = 360 -3g

8g = 360

g = 360/8 = 45 girls

b = 120-45 = 75 boys

45/75 = 3/5