Asked by Precious

The Ratio of boys to girls was 3 to 7. If there were 40 more girls boys in 2016 how many boys were enrolled that year?
Answered by Ms. Sue
How can you hope to solve this math problem when you don't know what subject this is??

Answered by Damon
g = b+40

b/g =3/7 so b =3g/7

so
g = 3g/7 +40
7g/7 = 3g/7 + 40
4 g = 40*7
g = 70
b = 3*70/7 =30