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21-03-2018
Mathematics

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sadie finished her math test 16 minutes less than 3 times the amount of time it took her friend laura to finish. if their combined time was 68 minutes how long did it take sadie

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ChristopherH ChristopherH

21-03-2018

47 minutes because 21 times 3 is 63 and 63 minus 16 is 47. Also 47 plus 21 is equal to 68.

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