2x+y=5
y+3=2x
y+3-3 = 2x-3
y= 2x -3
2x + y =5
2x + 2x -3 = 5
1224 / 12 = 102
He will be paying $102 a month for his TV
9 cups of milk would be needed to make 99 cookies
If 1 cup = 11 cookies then...
99 (cookies we need to make) divided by 11 (cookies each cup) we get 9.
I hope this helps!
37 + 36 = 73
There are 73 students in the third grade at Kennedy School.