SOLUTION: Amanda wishes to purchase a pair of earphones for her brother in third week from now. She surveys the price for similar earphones at two shops and she will buy the cheaper. Shop A

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Question 1176185: Amanda wishes to purchase a pair of earphones for her brother in third week from now. She
surveys the price for similar earphones at two shops and she will buy the cheaper. Shop A
advertises the earphones at selling price RM x with discounts 8% and further reduction 20%
and this promotion lasts for three weeks. Shop B advertises the earphones at selling price 5%
cheaper than RM x always. Amanda decides to buy the earphone at shop B because shop B
will be running a promotion to sell the earphone at discount 10.5% and further reduction y%
in third week. Find the smallest value of y if y is an integer.
Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website!

Hi 3week special: Shop A: paying .92(.80) of original price 0r .736 of original price Shop B: paying .95((.895)y of original price .95(.895) y < .92(.80) y < .92(.80)/ .95(.895) = .8656 y = 14% off the third week .95(.895)(.86) = .7312 of selling price checks. Wish You the Best in your Studies.