document.write( "Question 176035: Company A charges $45 for the first half hour of work and $23 for each additional half hour of work. Company B charges $35 for the first half hour of work and $28 for each additional hour of work. For how many hours of work will the companies charge the same amount? \n" ); document.write( "
Algebra.Com's Answer #131158 by Mathtut(3670)\"\" \"About 
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equation for : remember t = each 1/2 hour of time.
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\n" ); document.write( "company A: 23t+45
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\n" ); document.write( "company B: 28t+35
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\n" ); document.write( "we are looking for company A = company B
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\n" ); document.write( "23t+45=28t+35
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\n" ); document.write( "5t=10
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\n" ); document.write( "\"highlight%28t=2%29\"
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\n" ); document.write( "so that is 2(1/2hrs) of time which equals 1 hour. So for 1 hours work the 2 companies will charge the same
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