A cookie recipe uses 3 cups of flour to make 15 cookies. How many cookies can you make with this recipe with 4 cups of flour? (Assume you have enough of the other ingredients.)
A teacher uses 36 centimeters of tape to hang up 9 student projects. At that rate, how much tape would the teacher need to hang up 10 student projects?
A motor boat traveled -3.4 miles per hour for 0.75 hours. How far did it go?
A tugboat traveled -1.5 miles in 0.3 hours. What was its velocity?
What do you think that negative distances and velocities could mean in this situation?
-20 gallons per hour
-10 feet per minute
-0.1 kilograms per second
1 stage
2 stages
4 stages
How many stages will it take to return the surface?