Abaker has a bag of flour that is 11% whole wheat and a bag of flour that is 63% whole wheat. how many cups of each type does the baker need to make 12 cups of a flour mixture that is 50% whole wheat?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.