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A bag contains 8 blue balls and some black ball. the probability of drawing a blue ball to black ball in ratio is 5:7. find the nu

By Athena

A bag contains 8 blue balls and some black ball. the probability of drawing a blue ball to black ball in ratio is 5:7. find the number of black ball and a probability of getting a black ball​

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Athena

8. Balancing the needs to use resources and
also conserve them for future generation is
called?
send me in 2 mins​

An idiom is a group of words in a fied order
that have a particular meaning that is different
from the meanings of each

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