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Emilie Maguren Mathematics Standard Year Revision for Half Yearly Examination - worksheet \#(show all working). A necklace in Thailand costs baht after a VAT of has been added. What was its original price, to the nearest baht?
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Q. Emilie Maguren Mathematics Standard Year Revision for Half Yearly Examination - worksheet \#(show all working). A necklace in Thailand costs baht after a VAT of has been added. What was its original price, to the nearest baht?
- Understand final price calculation: To find the original price before VAT, we need to understand that the final price is of the original price plus the VAT. This means the final price represents of the original price. We can represent the original price as and set up an equation to find this value.
- Denote original price as 'P': Let's denote the original price as ' extit{P}'. The final price after adding \% VAT is of ' extit{P}'. Therefore, we can write the equation as of extit{P} = baht.
- Write equation for final price: To solve for , we convert the percentage to a decimal and write the equation as .
- Isolate 'P' in the equation: Now, we divide both sides of the equation by to isolate 'P' on one side. This gives us .
- Round to nearest baht: Performing the division, we get . Since we need to round to the nearest baht, we round this number to .
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