The price of T-shirts keeps rising and rising, and people keep buying more and more. T- shirts must have an upward-sloping demand curve. Identify the error.

Suppose Left Shoes and Right Shoes were sold separately. a. Do you think the cross-price elasticity of Left Shoes and Right Shoes would be positive or negative?b. Given the answer to (a) how would you describe the relationship between these two goods? c. The person who makes Right Shoes increases the price of Right Shoes. How does this effect demand for Left Shoes?  d. Use a graph to illustrate your answer to (c).

The demand for orange at price $10 is 100 and at price the $8 the demand is 150. Find the elasticity of demand.

A taco hut is trying to determine its demand if it changes it's price. In 2019, they sold tacos for 1.00 and sold 6,000. In 2020, they increase the price of tacos to 1.50 and demand dropped to 5,500. In 2021, the owners of the taco hut want to increase taco price to 2.00 dollars. What would demand be for 2021? What if they lowered the price to .50, how much would demand be?