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

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asked Oct 19, 2018 137k views

2 Answers

Kaarel Nummert · Answer 1 · 2018-10-26T08:11:43+0000

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! ☺♥

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

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