Joaquin buys 3 packs light bulbs. Each pack contains 12 light bulbs. After changing the bulbs in his house, he has 15 bulbs left. How many light bulbs did he use?

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asked Aug 21, 2020 146k views

4 votes

Joaquin buys 3 packs light bulbs. Each pack contains 12 light bulbs. After changing the bulbs in his house, he has 15 bulbs left. How many light bulbs did he use?

Mathematics
high-school

Kyle Nunery asked

by Kyle Nunery

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1 Answer

6 votes

Answer:

Explanation:

3 times 12 equal 36.

36 minus 15 equals 21.

So Joaquin uses 21 light bulbs.

Koto answered Aug 27, 2020

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