Question 655880
The ratio of boys to all students in Rosedale Middle School is 2:5. There are 123 girls in the school. How many boys are in Rosedale Middle School!
----
The ratio of girls to all students is 3:5 or 3x/5x where 3x is 123
Then x = 123/3 = 41
----
# of boys = 2x = 2*41 = 82
------------------------------
Cheers,
Stan H.