#Person1#: What's 'pi'? 
#Person2#: That's the ratio of the circumference of a circle to its diameter, I think. 
#Person1#: I see. What is that ratio exactly? 
#Person2#: It's approximately 3. 14, but the number continues forever. What's the diameter of your circle? 
#Person1#: It's 10 centimeters, so the circumference should be 31. 4 centimeters. 
#Person2#: Ok. My next problem is to convert 10000 british pounds into us dollars. What's the exchange rate at the moment? 
#Person1#: According to the newspaper, the exchange rate is 1. 85 dollars to the pound. 
#Person2#: That means that 10. 000 pounds will buy me 18. 500 dollars. 
#Person1#: What's the next question. 
#Person2#: Fractions. What's a quarter and an eighth? That's three-eights. Easy. The next question is 'what are prime numbers? '. 
#Person1#: I can help you there. Those are numbers that cannot be created by multiplying two whole numbers, apart from the number itself and 1, together. 
#Person2#: So, 1, 2 and 3 are prime numbers, but 4 isn't because 2*2=4. 
#Person1#: Exactly. Anything else? 
#Person2#: How many seconds in an hour? 60 seconds multiplied by 60 minutes equals 3600 seconds altogether. 
#Person1#: You'll be a mathematician one day. 
#Person1# asks #Person2# what is pi, the exchange rate of converting 10000 british pounds into us dollar, what are prime numbers and how many seconds in an hour. #Person2# helped #Person1#with these math questions.
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