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29-11-2017
Mathematics

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Melanie draws with great fervor, using up pencils at an incredible rate 14 pencils every 4/9 of an hour how many pencils does she use in an hour

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Аноним Аноним

29-11-2017

Hello there!

4 pencils . 4/9 of an hour = 4/9 of 60 minutes = 4/9 * 60 = 80/3 minutes
x pencils = ? . one hour = 60 minutes14 * 60 = 80/3 * x /*3
14 * 60 * 3 = 80 * x
80 * x = 2520 /80
x = 2520 / 80
x = 31.5 pencilsThe result would be 32 pencils in one hour.

Hope I helped!

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