SOLUTION: An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. J

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Question 1141609: An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How much did it originally cost?
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.

(1-0.1)*(1-0.15)x = 306.


The original price was  x = 306%2F%280.9%2A0.85%29 = 400 dollars.    ANSWER