Should be C. 1/19. because if there's 20 maebles in the bag and without replacing the marble then it actually would be 2/18
Answer:
I think elimination with subtraction would be the best answer choice, since all the numbers are positive.
Answer:
Step-by-step explanation: to be honest i do not know
Answer:
2X
Step-by-step explanation:
bill has X and Ben has twice X so Ben has 2X