Question
There were 389 blue, green and orange marbles in a box. Given that there were 118 more blue marbles than orange marbles and 55 more green marbles than orange marbles, how many orange marbles were there in the box?
4 m

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There were 389 blue, green and orange marbles in a box. Given that there were 118 more blue marbles than orange marbles and 55 more green marbles than orange marbles, how many orange marbles were there in the box?