Mathematics, 11.10.2019 13:00 edjiejwi
1) there are three colours of beads in a bag. the ratio of red to yellow beads is 8: 3. the ratio of green to yellow beads is 9: 2. what fraction of the beads are green?
2) if the mean of a thousand numbers is zero and all but one of the numbers is 1, the other number is -999. the mean on n numbers is m and all but one of the numbers is one more than m. what is the other number in terms of n and m?
Answers: 2
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1) there are three colours of beads in a bag. the ratio of red to yellow beads is 8: 3. the ratio of...
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