Question
There are 148 pink and purple balls in bag M. There are 228 purple and grey balls in bag N. Given that there are four times as many grey balls as pink balls, and the number of purple balls in both bags is the same, find the difference between the grey balls and the pink balls.
4 m

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There are 148 pink and purple balls in bag M. There are 228 purple and grey balls in bag N. Given that there are four times as many grey balls as pink balls, and the number of purple balls in both bags is the same, find the difference between the grey balls and the pink balls.