Timer
00:00
Answers
A
B
C
D
E
Stats
Difficulty—
A jar contains \(30\) red marbles, \(40\) blue marbles, \(50\) green marbles, and no other marbles. After \(x\) blue marbles are added to the jar, the probability of selecting a blue marble on a random draw is equal to \(\dfrac{7}{9}.\) What is the value of \(x?\) A jar contains \(30\) red marbles, \(40\) blue marbles, \(50\) green marbles, and no other marbles. After \(x\) blue marbles are added to the jar, the probability of selecting a blue marble on a random draw is equal to \(\dfrac{7}{9}.\) What is the value of \(x?\)
A. \(120\)
B. \(160\)
C. \(200\)
D. \(240\)
E. \(360\)
The OA is D
A. \(120\)
B. \(160\)
C. \(200\)
D. \(240\)
E. \(360\)
The OA is D
