(Score for Question 2:
of 6 points)
2. The cost
that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The
IS cost is $22 for each room.
(a) Write a direct variation equation to represent the
cost.
(b) How many rooms
can a hotel pay the company to clean for $200? Write and solve
(c) Suppose the hotel plans to tip the (O
an equation.
carpet cleaners $40, how many rooms can the hotel get cleaned for
$200 now? Write and solve an equation.
Answer:
