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secondary 2 | Maths
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how do you do this?
》 11x60 + 5
= 665s
Since this is 5% less than previous timing (100%), this new timing will be 100% - 5% which is 95%
665s ---> 95%
1% ----> 665/95 = 7
100% ---> 7 x 100 = 700s
700s = 700/60 min = 11.6667 = 11min 40s
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