document.write( "Question 874677: Hi thank you for aking the time to helpme with this, I have a writingassignment and I need help with describing the problem solving process that I would use to complete the problem (1) identifying a variable (2) writing an equation (3) solving the equation and (4) writing the answer in a complete sentence I know how to write it and how tosolve it, but I am having problems on how toword it Can you please help me? \n" ); document.write( "
Algebra.Com's Answer #527789 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Here is a word problem that came up today \n" ); document.write( ": \n" ); document.write( "It takes barry 4 hours to paint his house by himself when working alone. \n" ); document.write( " Christy can complete the job by herself in 11 hours. \n" ); document.write( " How long will it take them to complete the job if they work together? \n" ); document.write( ": \n" ); document.write( "Identify the variables \n" ); document.write( "let t = time to complete the job when working together \n" ); document.write( ": \n" ); document.write( "let the completed job = 1 \n" ); document.write( ": \n" ); document.write( "Write a \"shared work equation\" \n" ); document.write( "Each will do a fraction of the job, the two fractions add up to 1 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Solve the equation \n" ); document.write( "multiply by 44. cancel the denominators and you have: \n" ); document.write( "11t + 4t = 44 \n" ); document.write( "15d = 44 \n" ); document.write( "t = 44/15 \n" ); document.write( "t = 2.9333 hrs; 2 + .933(60) = 2 hr 56 min \n" ); document.write( ": \n" ); document.write( "This means that both working will finish the job in 2.93 hrs which is 2 hr 56 min \n" ); document.write( " \n" ); document.write( " |