document.write( "Question 935020: Only one question per post please:
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document.write( "A machine makes tin boxes at the rate of 78 in 5 minutes. How long will it take to make 3,900 of them? (Answer in hours and minutes)
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Algebra.Com's Answer #568076 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! r = w/t \n" ); document.write( "t = w/r \n" ); document.write( "--- \n" ); document.write( "r = 78/5 boxes/minute \n" ); document.write( "t = 3900/(78/5) \n" ); document.write( "t = 250 minutes \n" ); document.write( "t = 250 minutes * (1/60 hour/minute) = 4.17 hours \n" ); document.write( "t = 4 hours and (0.17 hour * 60 minutes/hour) minutes \n" ); document.write( "t = 4 hours and 10.2 minutes \n" ); document.write( "--- \n" ); document.write( "Free algebra tutoring live chat: \n" ); document.write( "https://sooeet.com/chat.php?gn=algebra \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations with quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( " |