A box contains 4 white, 5 red, and x black balls. One red ball was drawn from the box. If the probability of choosing one red ball was 1/4 ,then find the probability of choosing one white ball?

A box contains 4 white, 5 red, and x black balls. One red ball was dra

1.	A box contains 4 white, 5 red, and x black balls. One red ball was drawn from the box. If the probability of choosing one red ball was 1/4 ,then find the probability of choosing one white ball?
A.	4 5
B.	2 9
C.	1 5
D.	4 15
E.	None of these
Answer» D. 4 15

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A box contains 4 white, 5 red, and x black balls. One red ball was drawn from the box. If the probability of choosing one red ball was 1/4 ,then find the probability of choosing one white ball?

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