document.write( "Question 451030: a contractor purchased a total of 25 lightbulbs, some of which were incandescent and some of which were fluorescent, at a total cost of $24. if the incandescent bulbs cost $.60 each and the fluorescent bulbs cost $1.50 each, how many of each did he buy? \n" ); document.write( "
Algebra.Com's Answer #310152 by rwm(914)\"\" \"About 
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I+F=25
\n" ); document.write( ".6I+1.5F=24
\n" ); document.write( "I=15
\n" ); document.write( "F=10\r
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