Question
Joelle had 144 more chocolate bars than Penelope. Joelle used 45 of her chocolate bars and Penelope used 34 of her chocolate bars. In the end, Joelle had 4 times as much as Penelope. Find the number of chocolate bars that Penelope had at first.
4 m

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Joelle had 144 more chocolate bars than Penelope. Joelle used 45 of her chocolate bars and Penelope used 34 of her chocolate bars. In the end, Joelle had 4 times as much as Penelope. Find the number of chocolate bars that Penelope had at first.