SOLUTION: 15/8 <_ 5/2s

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Question 167357: 15/8 <_ 5/2s
Answer by aswathytony(47) About Me  (Show Source):
You can put this solution on YOUR website!
15/8 <= 5/2 s
15/8*2<= 5/2*2s
15/4 <= 5s
(15/4)/5 <= 5s/5

3/4 <= s
i.e. s >= 3/4