Math Problem Statement
A coffee shop currently sells 470 lattes a day at $2.75 each. They recently tried raising the by price by $0.25 a latte, and found that they sold 40 less lattes a day.
a) Assume that the number of lattes they sell in a day, NN , is linearly related to the sale price, pp (in dollars). Find an equation for NN as a function of pp .
N(p)N(p) =
b) Revenue (the amount of money the store brings in before costs) can be found by multiplying the cost per cup times the number of cups sold. Again using pp as the sales price, use your equation from above to write an equation for the revenue, RR as a function of pp .
R(p)R(p) =
c) The store wants to maximize their revenue (make as much money as possible). Find the value of pp that will maximize the revenue (round to the nearest cent).
p = which will give a maximum revenue of $
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Quadratic Equations
Revenue Maximization
Formulas
Linear equation form: y = mx + b
Quadratic equation form: ax^2 + bx + c
Theorems
-
Suitable Grade Level
Grades 10-12
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