Mathematics, 21.06.2020 17:57, miraculousdollh

A carton contains 20 shirts , of which q are made of pure cotton. After 4 more pure cotton shirts are added to the carton, the probability of drawing a pure cotton shirt becomes 3/4 , find the value of q.

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A carton contains 20 shirts , of which q are made of pure cotton. After 4 more pure cotton shirts ar...