lee's answer to Pooh pooh bear's Primary 6 Maths Geometry question.

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Lee's answer
3 answers (Tutor Details)
1st
Gst is a 7 % on top of 100%, so have to divide by 1.07 to get that 100%=$66.
This $66 is 80% of the original price. Divide by 0.8 to get the total price before discount.