document.write( "Question 549376: It takes you 4 days to paint a house if you paint for eight hours a day. It takes your brother 5 days. How long would it take you to pain the house together? Answers should be in days, hours, minutes form. \r
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document.write( "Please show the work, I have the answer but don't know how to figure it out. \n" );
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Algebra.Com's Answer #357706 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! working in hours is probably easiest\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "each person paints a FRACTION of the house based on their individual time and the combined time (t) \n" ); document.write( "___ the fractions sum to one (the WHOLE house)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "[t / (4*8)] + [t / (5*8)] = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5t + 4t = 160 ___ t = 160/9 hours \n" ); document.write( " |