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Eliza was fixing a jigsaw puzzle. After three days, the number of pieces she fixed was 1/3 of the number of pieces she unfixed. After another week, she managed to fix another 20 pieces and was left with 3/5 of the puzzle unfixed. How many pieces were there in the puzzle?

 
 Oct 13, 2021
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Eliza was fixing a jigsaw puzzle. After three days, the number of pieces she fixed was 1/3 of the number of pieces she unfixed. After another week, she managed to fix another 20 pieces and was left with 3/5 of the puzzle unfixed. How many pieces were there in the puzzle?

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All pieces of the puzzle are "unfixed"!!!

 

x - (x/3 + 20) = 3/5x

 

x = 300

 
 Oct 15, 2021
edited by civonamzuk  Oct 15, 2021

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