Question
There was an equal number of brown and grey marbles in a box at first. After 30 grey marbles were taken out and 48 brown marbles were added into the box, there was 14 as many grey marbles as brown marbles. Find the number of grey marbles in the box at first.
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There was an equal number of brown and grey marbles in a box at first. After 30 grey marbles were taken out and 48 brown marbles were added into the box, there was 14 as many grey marbles as brown marbles. Find the number of grey marbles in the box at first.