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?

Answer 1

b/g = 2/7
b+250 = g

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

Answer 2

Thank you!!!

Answer 3

THANK YOU SO MUCH!!

Answer 4

thanks so much this was so useful

Answer 5

Thank you

Answer 6

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