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At the market, 5 light bulbs cost $9.85 How much do 7 light bulbs cost?
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At the market, 5 light bulbs cost $9.85 How much do 7 light bulbs cost?

User Jordan Stefanelli
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2 Answers

4 votes
Cost of one light bulb: $1.97

I found this my dividing 9.85 by 5. Next we need to multiply 1.97 by 7 to get 13.79.

Answer: 7 light bulbs cost $13.79'
Hope this helps
:)
User Tkahn
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Divide 9.85 by 5 to get the cost of one, and that is 1.97. Then mutiply 1.97 by 7 to get the cost of 7 of them, and that is 13.79. So the answer is 13.79. Hope this helps.
User Dewald Swanepoel
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6.8k points
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