This Before and After problem sum starts with the total of 3 parties given.
Each party undergo either numerical increase, numerical decrease and/or fractional decrease. The problem sum ends with each party having equal ratio in the end.
Such questions are common in P5 and P6 Paper 2.
Calculator usage is allowed.
Ben, Carl and Dave have a total of 1021 marbles at first.
After Ben halved his number of marbles by giving some away,
Carl bought 118 more marbles and Dave threw away 1/5 of his marbles,
each boy have the same number of marbles left.
How many marbles did Dave have at first?
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