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?

Answer 1

I'll be glad to check your answer.

Answer 2

kthanks i think its 21 is that true if not tell me what did i do wrong

Answer 3

ms sue u there???? well -____- i guess not

Answer 4

Sorry -- I was busy answering your other question.

Yes, he used 21 bulbs.

Answer 5

thank u

Answer 6

You're welcome.