Day 3: Quiz 3

Day 3: Quiz

Question 1: Write an equation to represent each method

Charley earns money doing yardwork. She has two different methods of charging her customers, depending on the job she does.

Method 1: A flat fee of $7.00 per hour

Method 2: An initial fee of $21.00 dollars plus $3.50 per hour

Question 2: How many hours must Charley do yardwork so that the money she earns from both methods is the same? 

Question 3: Ali is filling her fish tank. She starts with it 2 feet deep. It rises 4 inches per minute. 

a.) Explain how the equation y = 4x + 24 represents the filling of the tank.

b.) If the tank is 10 feet deep, when will it be full ?