Mathematically, a ray is a portion of a line which starts at a point and goes off in a particular direction to infinity.
Answer:
let the of bag of vendors be X
3donate X bag to give 996
3×x=996
3x=996
divide both side by 3
3x\3=996\3
x=332
each vendor donated 332bags of popcorn
There's nothing here to choose from but it should be something like : q + d = 18; .25q + .10d = 2.85