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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asked Nov 2, 2020 60.7k views

5 votes

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?

Mathematics
middle-school

Tjfo asked

by Tjfo

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

Chadbag answered Nov 8, 2020

by Chadbag

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