Ms. Gallagher pays $9 for a pack of 36 cupcakes for her son's birthday. How much did each cupcake cost? (What is the unit rate?)

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

What line represents the relationship between r and s