Answer:
10:17 (girls to total students)
7:17 (boys to total students)
10:7 (girls to boys)
7:10 (boys to girls)
Step-by-step explanation:
x + 2y
so 3x + 2y - 3x, group the like terms 3x - 3x = x
So x + 2y, i think i did that right