Question
There are 140 grey and brown balls in bag S. There are 284 brown and black balls in bag T. Given that there are five times as many black balls as grey balls, and the number of brown balls in both bags is the same, find the difference between the black balls and the grey balls.
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There are 140 grey and brown balls in bag S. There are 284 brown and black balls in bag T. Given that there are five times as many black balls as grey balls, and the number of brown balls in both bags is the same, find the difference between the black balls and the grey balls.