Three-fifths 6322

Juraj donated three-fifths of his collection of hockey players to his friend Josef. He has 100 cards left. How many cards did Juraj initially have in his collection before the donation?

Correct answer:

x =  250

Step-by-step explanation:


x - 3/5 x = 100

x - 3/5·x = 100

2x = 500


x = 500/2 = 250

x = 250

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