Question

Question 12 of 20 An instrument Store gives a 10% discount to all students of the onginal cost of an instrument Durga back additional 15 is taken off the discounted price Julie, a student at the local high school purchases 105305 How originally cost? Select the correct response 408 O 400 O 325 O 425 375 < Previous

Answer 1

Solution: cet x be the eniginas puice fuist 10% discount means Julie has to pay 90% of original ft puice ce 90% x = 0.gon additional 15. discount means Julie has to pay 85% of (0.90 x) 0.85 (0.90x) - 0 According tour question, Julie pay $306 for flute 3 we get 0.85 (0.90 x) = 306 Now sowing foux - 0.90x = 306 x= 306 0085 Xoo90 = x= 306 = 400 0.85 00765 So, the auignal price of fluse is 400