Question
The average number of marbles Tom and Julian had was 102. The average number of marbles Tom and Liam was 67.5. Given that the ratio of the number of marbles Julian had to the number of marbles Liam had was 5 : 2, find the number of marbles Tom had.
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The average number of marbles Tom and Julian had was 102. The average number of marbles Tom and Liam was 67.5. Given that the ratio of the number of marbles Julian had to the number of marbles Liam had was 5 : 2, find the number of marbles Tom had.