Nora orders one bowl of noodles at a restaurant
which offers a 10% discount. There is a service
charges of 10% and GST is at 7%. Given that she pays
a total of $7.94, find the marked price of the noodles.
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Answer: 7.54
Step-by-step explanation:
Let x equal the marked price of noodles
The 10% discount is equal to x - 0.1x or 0.9x
The service charge, when applied to the discounted noodles price, is 0.1(0.9x)
The GST, when applied to the discounted noodles price, is 0.07(0.9x)
Since she paid all 3 of these, and it totaled to 7.94, you can add them together to get this equation:
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