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Elisabeth took 13 minutes less than twice as long as heather to solve the puzzle. if their total time together was 23 min., who took less time to solve the puzzle? how much less…

Elisabeth took 13 minutes less than twice as long as heather to solve the puzzle. if their total time together was 23 min., who took less time to solve the puzzle? how much less…
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Elisabeth took 13 minutes less than twice as long as heather to solve the puzzle. if their total time together was 23 min., who took less time to solve the puzzle? how much less?

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User Vladimir Veljkovic
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7.8k points

1 Answer

7 votes
E = 2H - 13

E + H = 23

Substitute 2H-13 for E in the second equation and solve for H. Put that value in the first equation and solve for E. Subtract H from E.
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User Bubblebath
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