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.)
Question 2
2.
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?
Some boats were traveling up and down a river. A satellite recorded the movements of several boats.
Question 3
3.
A motor boat traveled -3.4 miles per hour for 0.75 hours. How far did it go?
Question 4
4.
A tugboat traveled -1.5 miles in 0.3 hours. What was its velocity?
Question 5
5.
What do you think that negative distances and velocities could mean in this situation?
Describe a situation where each of the following quantities might be useful.
Question 6
6.
-20 gallons per hour
Question 7
7.
-10 feet per minute
Question 8
8.
-0.1 kilograms per second
A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. At what depth is it after:
Question 9
9.
1 stage
Question 10
10.
2 stages
Question 11
11.
4 stages
Question 12
12.
How many stages will it take to return the surface?