SOLUTION: 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 eac
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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?
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
I+F=25
.6I+1.5F=24
I=15
F=10
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