Treon bought 25 apples at the grocery for $15.00. Which proportion should be used to find the amount of money he would pay for 3 apples?
A25/15=3/x
B25/15=x/3
C15/25=3/x
D15/3=25/x
A25/15=3/x
B25/15=x/3
C15/25=3/x
D15/3=25/x