Gervin's answer to Shah's Primary 5 Maths Percentage Singapore question.

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Gervin
Gervin's answer
2 answers (A Helpful Person)
1st
90% —> $675
100% —> 10/9 x $675 =$750

70% of $750(remember that 750 is the original price and is 100%)—>$525

Ans—> $750-$525 =$225