document.write( "Question 1110819: Brandon and Chris together can do a piece of work in 12 days. After Brandon has worked alone for 5 days, Chris finishes the work alone in 26 days. In what time can each do the work? \n" ); document.write( "
Algebra.Com's Answer #725820 by ankor@dixie-net.com(22740)\"\" \"About 
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Brandon and Chris together can do a piece of work in 12 days.
\n" ); document.write( " After Brandon has worked alone for 5 days, Chris finishes the work alone in 26 days.
\n" ); document.write( " In what time can each do the work?
\n" ); document.write( ":
\n" ); document.write( "let b = time required by Brandon working alone
\n" ); document.write( "let c = time required by Chris
\n" ); document.write( "Let the completed job = 1
\n" ); document.write( ":
\n" ); document.write( "Each will do a fraction of the work, the two fractions add up to 1
\n" ); document.write( "\"Brandon and Chris together can do a piece of work in 12 days.
\n" ); document.write( "\"12%2Fb\" + \"12%2Fc\" = 1
\n" ); document.write( "and
\n" ); document.write( "\" After Brandon has worked alone for 5 days, Chris finishes the work alone in 26 days.\"
\n" ); document.write( "\"5%2Fb\" + \"26%2Fc\" = 1
\n" ); document.write( "1 = 1 therefore
\n" ); document.write( "\"12%2Fb\" + \"12%2Fc\" = \"5%2Fb\" + \"26%2Fc\"
\n" ); document.write( "combine like terms
\n" ); document.write( "\"12%2Fb\" - \"5%2Fb\" = \"26%2Fc\" - \"12%2Fc\"
\n" ); document.write( "\"7%2Fb\" = \"14%2Fc\"
\n" ); document.write( "cross multiply
\n" ); document.write( "7c = 14b
\n" ); document.write( "divide both sides by 7
\n" ); document.write( "c = 2b
\n" ); document.write( ":
\n" ); document.write( "replace c with 2b in the 1st equation
\n" ); document.write( "\"12%2Fb\" + \"12%2F%282b%29\" = 1
\n" ); document.write( "multiply by 2b
\n" ); document.write( "2(12) + 12 = 2b
\n" ); document.write( "24 + 12 = 2b
\n" ); document.write( "36 = 2b
\n" ); document.write( "b = 36/2
\n" ); document.write( "b = 18 days, Brandon alone
\n" ); document.write( "then
\n" ); document.write( "c = 2(18) = 36 days Chris alone
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "See if that works in the 2nd statement
\n" ); document.write( "\"After Brandon has worked alone for 5 days, Chris finishes the work alone in 26 days.
\n" ); document.write( "\"5%2F18\" + \"26%2F36\" =
\n" ); document.write( "\"10%2F36\" + \"26%2F36\" = \"36%2F36\" = 1 \r
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