Posted by aalia on .
in a class there are 50 students,15 girls wear glasses 8 do not wear glasses.20 boys don't wear glasses.how many students wore glasses

maths 
Ms. Sue,
15 + 8 = 23 girls in the class
50  23 = 27 boys
27  20 = 7 boys wear glasses
15 + 7 = 22 students wear glasses