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At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?

At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?
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1 vote
At the market, 5 light bulbs cost $9. How much do 7 light bulbs cost?

User Jaspreet
by
8.3k points

2 Answers

3 votes

Answer:

The answer is 12.6

Explanation:

User Yanes
by
7.9k points
2 votes
Hello!

To solve this, find the cost of a single light bulb first, by dividing 9 / 5.

9 / 5 ==> 1.80

One light bulb is $1.80

Now, multiply 1.80 by 7.

1.80 * 7 = 12.6

7 light bulbs cost $12.6

Hope this helps! ☺♥


User Kaarel Nummert
by
8.1k points
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