Posted by Anonymous on .
If a vendor charges p dollars each for
rugby shirts, then he expects to sell 2000 _ 100p shirts at
a tournament.

math 
Angel,
Question:
I am not sure what you are trying to ask but this sounds like algebra. And this questions seems incomplete. Please post any questions that are part of it.
p = unit price in dollar of a rugby shirt
2000100p = number of unit that he expect to sell
R(p) = Total revenue
so my guess would be
(^ means place as exponent)
R(p) = p(2000100p)
R(p) = 2000p  100p^2
so example on how to use it
let say the vendor charges 5 dollars each
R(5) = (2000x5)((100)(5x5))
R(5) = 100002500
R(5) = 7500