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Question 1 of 3
Gary and Mary have 170 marbles.
Gary gave `1/4` of his marbles away and Mary gave `1/3` of her marbles away.
As a result, they had a total of 120 marbles left.
(a) How many marbles did Gary have at first?
(b) How many marbles did Mary have at first?
Notes to students:
If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12