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Jaoquin Buys 3 dozen lightbulbs. After changing the lightbulbs in his house, He has 15 left over. How many lightbulbs

did he use?

Please explain how you got the answer.

4 answers

HE USED 21 LIGHTBULBS . BEUASE 12 THINGS IS A DOZEN AND 12x3=36. THEN I DID 36-15=21.

am I right Mrs.sue

Yes, you're right, Bob.

21

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