1.Astoreiscurrentlyofferinga60%discountonallitemspurchased.Yourcashier istryingtoconvinceyoutoopenastorecreditcardandsaystoyou,"Inaddition tothe60%discountyouarereceivingforpurchasingtheseitemsonsaletoday, youwillgetanadditional20%offforopeningacreditcardaccount.Thatmeans you are getting 105%off!"

a .What is the mistaken assumptionhere?

b . Why is that assumptionincorrect?

c.Ifyoudidtrulyhave80%discount,explainwhatshouldhappenwhen yougotothecountertobuy$500worthofitems?show calculation

d.If you got your 60% discount and opened up the card for an additional 20%, what is the actual%discount you would receive?show calculation

e. Isitbettertoapply the60%discountfirstorthe20%discountfirst?show calculation