Derek Yeo's answer to nancy's Primary 6 Maths Ratio Singapore question.
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Hope this is clear.
Remember
Cost price/original price = 100%
After you minus the discount will be the final price you pay.
And this works the other way as well. If you know the final price paid and u know the discount, you can find the original price.
Finally to find the % discount,
(Discount ÷ original price) × 100%
Remember
Cost price/original price = 100%
After you minus the discount will be the final price you pay.
And this works the other way as well. If you know the final price paid and u know the discount, you can find the original price.
Finally to find the % discount,
(Discount ÷ original price) × 100%
Date Posted:
1 year ago
THANK YOU!!
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