Part A:

The outside temperature decreases by 7°F in 3 1/2 hours.

How would you represent the temperature change as a unit rate?

Express your answer as an integer.

Part B:

$$\degree$$ If the temperature continues to decrease at this rate, what will be the change in temperature after 5 hours?

Sean started with 15 points during a trivia game. Then, he lost 15 points on one turn and also lost 20 points on his final turn.

What is Sean’s final score?

Part A:

Andy is scuba diving. He starts at sea level and then descends 10 feet in 2 1/2 minutes. How would you represent Andy’s descent as a unit rate?

Express your answer as an integer.

Part B:

Andy is scuba diving. He starts at sea level and then descends 10 feet in 2 1 /2 minutes.

If he continues at this rate, where will Andy be in relation to sea level after 6 minutes?

Carl and Cameron are at a pool. Carl dives in and touches the bottom of the pool, 15 feet below the surface of the water. Cameron is standing on a diving platform 2 feet above the surface, waiting for his turn.

What is the vertical distance between Carl’s hand and Cameron’s feet?

An astronaut is returning to Earth in a spacecraft. If the spacecraft is descending at a rate of 13.81 kilometers per minute, what will be its change in height after 5 1 /2 minutes? Round your answer to the nearest kilometer (km).

A fish finder shows a large fish at 13 feet below the surface of the water and a smaller fish located 4 feet below the surface of the water.

Select the expressions that is equivalent to the distance between the fish.

Four out of nine dogs weigh less than 20 pounds. What is the decimal equivalent for the number of dogs weighing under 20 pounds?