Jasper Eng's answer to :)'s Secondary 1 Maths Singapore question.
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Cost price = 2x
Sale of 1st = 1.1 * x
= 1.1x
Sale of 2nd = 0.9 * x
= 0.9x
Sum them :
Sale price = 0.9x + 1.1x
= 2x
= cost price
Hence he break even //
Sale of 1st = 1.1 * x
= 1.1x
Sale of 2nd = 0.9 * x
= 0.9x
Sum them :
Sale price = 0.9x + 1.1x
= 2x
= cost price
Hence he break even //
Date Posted:
3 years ago
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