Mary sells T-shirts in a stall at the shopping centre. When she charges £15 per T-shirt she does not sell anything, however she noticed that every time she reduces the selling prince by £1, sells 15 more t-shirts per hour. A T-shirt cost £4.50 to make and she is charged £130 a day for her stall. Mary opens her stall from 10am to 8pm a. Write the equation to calculate the maximum profit?
b. Using the equation write in a table the price and profit for price ranging from £15 to £3
c. Plot a graph and draw a diagram to represent the profit
d. What is the maximum possible profit? What should be the selling price to achieve it?

In allentown, pennsylvania, in the summer of 2014, the average price of a gallon of gasoline was $3.68long dasha 22-cent increase from the year before. many consumers were upset by the increase. one was quoted in a local newspaper as saying, "it's crazy. the government should step in." source: sam kennedy, "valley feeling pain at the pump," (allentown, pa) morning call, june 21, 2014. suppose the government had stepped in and imposed a price ceiling equal to old price of $3.46 per gallon. a. using the line drawing tool, draw and label the price ceiling. carefully follow the instructions above, and only draw the required object.

Carmen co. can further process product j to produce product d. product j is currently selling for $20 per pound and costs $15.75 per pound to produce. product d would sell for $38 per pound and would require an additional cost of $8.55 per pound to produce. what is the differential revenue of producing product d?

Diamond motor car company produces some of the most luxurious and expensive cars in the world. typically, only a single dealership is authorized to sell its cars in certain major cities. in less populous areas, diamond authorizes a single dealer for an entire state or region. the manufacturer of diamond automobiles is using a(n) distribution strategy for its product.