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P6 Mathematics

Question post on Wed, 16/09/2020 9:38pm

Please help…Thanks in advance.

Source: math textbook

BigDevil · Answer 1 · Post on Thu, 17/09/2020 1:53am

10% of $800 = $80

$210 – $80 = $130

$130 came from 5% of remaining selling price

$130 ÷ 5% = $2600

Selling price of laptop = $2600 + $800 = $3400

edison2000 · Answer 2 · Post on Thu, 17/09/2020 2:27am

edison2000 Post on Thu, 17/09/2020 2:27am

Thanks a lot.