# Demand Curves

Monthly sales data from a T shirt indicate that the demand curve for the T-shirts can be described as:

Q = 300 - 5P

where Q is T shirt sales and P is price.

Please step me through the following calculations:

- How many T-shirts could the cafe sell at $5 each?

- What price would they have to charge to sell 200 T shirts?

- Calculate the own price elasticity of demand for T-shirts at a price of $20.

- Calculate the inverse demand curve for the restaurant?

https://brainmass.com/economics/microeconomics/demand-curves-55958

#### Solution Preview

Please see the attached file.

Microeconomics-Answers:

Given, Q = 300 - 5P

a) When the price is $5, then the cafe could sell,

Q = 300-5 * 5

Q =300-25

Q =275 T-shirts

b) In order to sell 200 T-shirts, the respective price should be,

...

#### Solution Summary

The solution answers the question(s) below.