penny_love
17-09-2007, 08:05 AM
Giúp mình giải một bài toán này với cả nhà ui!!!!!!!:guoc: :guoc:
Alice, on vacation in Vietnam, found that she got a 25% premium on her US money. When she return to US, she discovered that there was a 25% discount on converting her CAnadian money back into US currency. Describe each conversion function. Show that one is not the inverse of the other, that is, show that after converting both ways, Alice lost money.
Thank you very much!!!!!!!!:thankyou:
Alice, on vacation in Vietnam, found that she got a 25% premium on her US money. When she return to US, she discovered that there was a 25% discount on converting her CAnadian money back into US currency. Describe each conversion function. Show that one is not the inverse of the other, that is, show that after converting both ways, Alice lost money.
Thank you very much!!!!!!!!:thankyou: