document.write( "Question 935512: A can solve 75% while B can solve 70% of problems of a book.what is the probability that either of them can solve a question chosen at random?
\n" ); document.write( "answer is 37/40 but am unable to solve it to get this answer.would be glad if you respond to the question.thank you.
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Algebra.Com's Answer #568746 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
A can solve 75% while B can solve 70% of problems of a book.
\n" ); document.write( " a question chosen at random
\n" ); document.write( "P(either A 0r B can solve it) = 1 - P(A & B cannot solve) = 1 - \"%2825%2F100%29%2830%2F100%29\" = 1 - 3/40 = 37/40
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