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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 Johnstlr
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1 Answer

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First, find what one lightbulb costs.

9.85 / 5 = 1.97

Then multiply the product by 7.

1.97 * 7 = 13.79

Seven light bulbs will cost $13.79
User Mfreiholz
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