There were 42 students in the classroom. There were 10% more girls than boys. A few girls went to the restroom. As a result, the number of boys became 25% more than the number of girls in the classroom. How many girls went to the restroom?
+37084 42 students 10% more girls
B + 1.1B = 42
B = 20 then G = 22
x girls go the bathroom and
B = 1.25 (22-x)
20 = 27.5 - 1.25x
x = 6 girls went to the can
