The value of y varies directly with x, and y = 1 when x = 3.

Find y when x = 18.
A. 9
B. 3
C. 6
D. −2

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Suppose 38 lbs of coffee beans are required to produce 2 lbs of farmer's coffee. how many lbs of coffee beans are required to produce 309 lbs of farmer's coffee?