Question
The average number of stamps Luis and Oscar had was 137. The average number of stamps Luis and Sam was 66.5. Given that the ratio of the number of stamps Oscar had to the number of stamps Sam had was 5 : 2, find the number of stamps Luis had.
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The average number of stamps Luis and Oscar had was 137. The average number of stamps Luis and Sam was 66.5. Given that the ratio of the number of stamps Oscar had to the number of stamps Sam had was 5 : 2, find the number of stamps Luis had.