document.write( "Question 40095: A QDA instructor gave a class two tests. 25% of the class passed both tests and 42% passed the first test. What percentage of those who passed the first test also passed the second test? \n" ); document.write( "
Algebra.Com's Answer #25522 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! To make this a bit easier to see, imagine there were 100 students in the class. \n" ); document.write( "Thus 42 passed the first test, and 25 passed both. Thus 25 of the 42 who passed the first test also passed the second test...that percentage is \n" ); document.write( "25/42 = 59.5% \n" ); document.write( " |