Asked by Zack

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?
Answered by PsyDAG
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.
Answered by Jacob
Liz spent 5 minutes, Heather spent 18, your total is 23 minutes.
Answered by Kailynn
Elizabeth took 13 minutes less to solve it.
Answered by Isaiah
can you explain better
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