Mathematics, 04.07.2020 21:01, 0140875
Anne, Becky and Charlotte had sums of money in the ratio 7:6:5. One of them gave £9 to one of the others and this changed the ratio (in the same order of names) to 6:5:4. The total sum of money remained the same; what was it?
Answers: 1
Mathematics, 21.06.2019 22:50, ciaotaylor
1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?
Answers: 2
Anne, Becky and Charlotte had sums of money in the ratio 7:6:5. One of them gave £9 to one of the ot...
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