At a country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys are at the concert?

Question

At a country concert, the ratio of the number of boys to the number of girls is 2:7.  If there are 250 more girls than boys, how many boys are at the concert?

Steve · Accepted Answer

b/g = 2/7 b+250 = g b + 250 = (7/2 b) 5/2 b = 250 b = 100

Chris · Answer

Thank you!!!

Evelyn · Answer

THANK YOU SO MUCH!!

Anonymous · Answer

thanks so much this was so useful

Adam · Answer

Thank you

Jen · Answer

how was this useful? no real explanation was made how in the world did he go from 7/2 to 5/2?