Mr. TrashWheel & Proportions

Mr. TrashWheel & Proportions

Learning Target

• I can relate proportions to water pollution and practice solving for the variable. (MGSE7.RP.2)

Mr. TrashWheel Video!

Prof. TrashWheel

• Prof. Trashwheel has collected 4 tons of trash in one month. If the city drops 500 tons of trash in the water, how long will it take Prof. Trashwheel to clean it?

• Identify the first ratio

• 4 tons : 1 month or  $\frac{4\ tons}{1\ month}$  

• Identify second ration

•  $\frac{500\ tons}{x\ months}$  

•  $\frac{4\ tons}{1\ month}=\frac{500\ tons}{x}$  

Multiple Choice

In 4 months, Captain TrashWheel was able to collect 3.7 tons of trash. How much trash will it collect in 12 months?

• 14.8 tons

• 11.1 tons

• 44.4 tons

• 0.9 tons

Multiple Choice

Mr. Trashweel, since his creation in 2014, has collected 1500 tons of water debris (7 years). How many years will it take Mr. TrashWheel to collect 30,000 tons?

• 140 yrs

• 100 yrs

• 500 yrs

• 2 yrs