asked 141k views
4 votes
At the market, 5 light bulbs cost $9dollar 
How much do 7 light bulbs cost?

asked
User Ddekany
by
7.3k points

1 Answer

5 votes
The answer is $12.60, because $9/ 5 lightbulbs is $1.80 per lightbulb. Next you take the $1.80 per lightbulb and multiply it by 7 lightbulbs.
answered
User Rhunwicks
by
7.7k points

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