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Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practice today. How many more minutes does Greg need to practice today?
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Greg practiced playing his clarinet for 12 minutes. He has practiced 40% of the amount of time he needs to practice today. How many more minutes does Greg need to practice today?

User Smls
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2 Answers

3 votes

Answer: 18

Explanation:

User GalAbra
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7.9k points
2 votes
I believe the answer is he needs 30 more minutes. This would make him be practicing 42 minutes in all. I got this by doing 12 over x equal 40 over 100. then you cross multiply the two and you get 1200 over 40. That reduced is 30. Hope I helped! :)
User Mark Hobson
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8.2k points
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