Solution:-
Before Rachel had 3times more marbles than Sean .
So it would be
Answer:
S=x, R=3x
Step-by-step explanation:
So we don't know how many marbles they started with, so we can put 'x' as each of their amounts. (S=x, R=3x) This is because whatever Sean has, Rachel has 3 times that. Without any other numbers or information, that is all we can infer.