Question
PSLE
Neave had 10 boxes of balls. At first, each of the boxes contained the same number of balls. He took 15 balls from each box. After that, the total number of balls left in the 10 boxes was equal to the total number of balls in 4 of the boxes at first. What was the number of balls in each box in the end?
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PSLE
Neave had 10 boxes of balls. At first, each of the boxes contained the same number of balls. He took 15 balls from each box. After that, the total number of balls left in the 10 boxes was equal to the total number of balls in 4 of the boxes at first. What was the number of balls in each box in the end?