Constant of proportion and equation

Mai is filling her fish tank. Water flows into the tank at a constant rate. Complete the table as you answer the questions.

Noah is running a portion of a marathon at a constant speed of 6 miles per hour. Complete the table to predict how long it would take him to run different distances at that speed, and how far he would run in different time intervals.

One kilometer is 1000 meters. Complete the table.

One kilometer is 1000 meters. What is the interpretation of the constant of proportionality?

One kilometer is 1000 meters. Complete the table.

One kilometer is 1000 meters. What is the interpretation of the constant of proportionality?

The area of the Mojave desert is 25,000 square miles. A scale drawing of the Mojave desert has an area of 10 square inches. What is the scale of the map?

Which of these scales is equivalent to the scale 1 cm to 5 km? Select all that apply.

• 3 cm to 15 km

• 1 mm to 150 km

• 5 cm to 1 km

• 5 mm to 2.5 km

• 1 mm to 500 m

A certain ceiling is made up of tiles. Every square meter of ceiling requires 10.75 tiles. Fill in the table with the missing values.

On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in miles, d, to the number of hours flying, t, is t = 0.002d. How long will it take the airplane to travel 800 miles?