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Ken had some marbles. He gave 143 marbles to a friend and lost 1/4 of the remaining marbles. He was left with 1/5 of the total number of marbles he had at first. How many marbles had he left?

 Jun 14, 2023
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Call the total number of marbles m. So Ken is left with 3/4( m - 143) = 1/5 m. Multiply both sides by the LCM 20, and then simplify. Hope it helps you!

 Jun 14, 2023

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