The manage of a bike shop has found that, at a price ( in dollars ) of p(x)=150-x/4 per byke, x bikes will be sold.
A) Find an expression for the total revenue from the sale of x bike. ( Revenue = demand X price )
B) Find the number of bicycles sales that leads to maximum revenue.
C) Find the maximum revenue.

( Please explain the concepts and every thing because i have a really hard time understand the process. ) Thank you very much!

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