Question
The average number of beads Zeph and Michael had was 130. The average number of beads Zeph and Oscar was 67.5. Given that the ratio of the number of beads Michael had to the number of beads Oscar had was 7 : 2, find the number of beads Zeph had.
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The average number of beads Zeph and Michael had was 130. The average number of beads Zeph and Oscar was 67.5. Given that the ratio of the number of beads Michael had to the number of beads Oscar had was 7 : 2, find the number of beads Zeph had.