At the Chinatown market last night, a stall keeper sold me two jars of pineapple tarts at the same price. He claimed that, while he made a profit of 20% on one of them, he also made a loss of 20% on the other – hence he “didn’t make any money from me”. Was he telling the truth?
Miss Loi is a full-time private tutor in Singapore specializing in O-Level Maths tuition. Her life’s calling is to eradicate the terrifying LMBFH Syndrome off the face of this planet. For over years she has been a savior to countless students … [read more]
I really admire how fast you can solve every single math question! They are all on your fingertips!
So amazing! … [read more]
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