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24-10-2019
Mathematics

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PLEASE HELP Elizabeth took 13 minutes less than twice as long as Heather to solve the puzzle. if their total time together was 23 minutes, who took less time to solve the puzzle? how much less?

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loveislikeathorn loveislikeathorn

24-10-2019

X=time heather took
2x-13+x=23
3x=36
x=12
heather took 12 minutes
elizabeth took 11 minutes

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