document.write( "Question 1197414: Hi
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document.write( "Andrew finished typing 8 similar sets of notes in 3 hours. If his typing speed increased to 60 words per minute, he would have finished typing the same sets of notes 2 hours faster.\r
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document.write( "What was his original typing speed. \r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #830681 by greenestamps(13198)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The solution from tutor @josgarithmetic has the typing speed increased BY 60 words per minute; the statement of the problem says the typing speed increased TO 60 words per minute. \n" ); document.write( "The job was done in 3 hours; at a typing speed of 60 wpm it would have been completed 2 hours faster -- i.e., in 1 hour. \n" ); document.write( "The time required to complete the job is 1/3 of what it was; that means the typing speed was 3 times what it was before. \n" ); document.write( "If 60 wpm is 3 times the original speed, then the original typing speed was 20 wpm. \n" ); document.write( "ANSWER: 20 words per minute \n" ); document.write( " \n" ); document.write( " |