WT is white T shirts
BT is blue T shirts, and WT=3BT
WT+BT=48
3BT+BT=48
4BT=48
BT=12 so WT =3×12=36
sorry for taking your points
20 is 1/5 of 100 so do 20x5=100 and 15x5=75
So there is a 75% chance she will make the goal
377m total people can drink
The answer is B. 2y+3
this is proven by multiplying the divisor of the original question and the solution