Some white balls put in a basket containing twelve red balls and sixteen black balls. If the probability of picking a white ball from the baskets is \(\frac{3}{7}\), how many white balls were introduced?

a

12

b

21

c

28

d

32

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Explanation

Correct Option
b

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Sheriffoo1
2 months ago

Nice 👍

Ifechukwude001
1 year ago

unsupported operation

lord_stomzy09
2 months ago

corresponding unit

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