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2 February, 16:28

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

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  1. 2 February, 17:23
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    Step-by-step explanation:

    3x12=36 light bulbs total

    36-15=21 used light bulbs with 15 left unused
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