Answer and Explanation
Your Answer is
Correct Answer is B
Explanation
(8 + x) ÷ (24+x) = 3/5, the solution is x = 16
11. A bag contains 8 red marbles, 9 yellow marbles, and 7 green marbles. How many additional red marble must be added to the 24 marbles already in the bag so that the probability of randomly drawing a red marble is 
?