Exit Ticket
2. Another submarine's descent can be represented as y = -240x, where y is the elevation and x is the time in hours. How long will it take this submarine to make the descent?
1a. 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?
1b. A teacher uses 36 cm of tape to hang up 9 student projects. At that rate, how much tape would the teacher need to hang up 10 student projects?
2. Evaluate each expression. When the answer is not a whole number, write your answer as a fraction.
a)
3. Some boats were traveling up and down a river. A satellite recorded the movements of several boats.
a) A motor boat traveled -3.4 miles per hour for 0.75 hours. How far did it go?
3b. A tugboat traveled -1.5 miles in 0.3 hours. What was its velocity?
3c. What do you think that negative distances and velocities could mean in this situation?
Exit Ticket
1. A submarine is descending to examine the sea floor 2,100 feet below the surface. It takes the submarine 2 hours to make this descent.
Write an equation to represent the relationship between the submarine's elevation and time.
y is the elevation
x is the time in hours
2. Evaluate each expression. When the answer is not a whole number, write your answer as a fraction.
b)
2. Evaluate each expression. When the answer is not a whole number, write your answer as a fraction.
c)
2. Evaluate each expression. When the answer is not a whole number, write your answer as a fraction.
d)
4. Use the text tool to describe a situation where each of the following quantities might be useful.
5. A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters.
a) At what depth is it after:
i. 1 stage
ii. 2 stages
iii. 4 stages
5b. How many stages will it take to return to the surface?