Making Connections: Going Green Answers

Marco leaves the bathroom faucet running for 22 minutes while he gets ready in the morning. Running the faucet for 5 minutes wastes the same amount of energy as leaving a 60-watt light bulb on for 14 hours. How much energy did Marco waste, in terms of hours which a 60-watt light bulb would remain on?

When 500 phone books are recycled, which of the following statements is false?

Ronnie wants to lower his utility bills to save money on his monthly expenses. He discovers that if he replaces his water heater with a solar water heater his monthly utility bills can decrease around 50% to 85%. At the end of the year Ronnie wants to calculate the percentage his new solar water heater saved him in the utility bills compared to last year. Ronnie's total utility expenses for this year are $862.40 and last year the utility expenses were $1935.67. What percentage did Ronnie save on his utlility bills by switching to a solar water heater?

Sammy usually takes a 18 minute shower in the morning. If a 4 minute shower uses an average of 20-40 gallons of water, what is the maximum gallons of water that Sammy could be using in her shower?

When you are purchasing green cleaning products, which of the following informative information should not grab your attention?

On average 113,204 aluminum cans are recycled in a minute. Approximately how many cans will be recycled in 16 days? (Express your answer in scientific notation.)

In America, a person uses about 100 gallons of water each day, which is equal to 1,600 water-filled drinking glasses. How many water-filled drinking glasses would 281 Americans fill in a weeks time?

A golf course in Phoenix, Arizona, uses an average of 80 million gallons of water daily for irrigation. An average family of four (also living in Phoenix, AZ) uses 325,851 gallons of water per year. Rounded to the nearest ten, how many families of four can one golf course provide water for?

Mrs. Williams estimates that on average her family recycles 12.6 pounds of plastic each month. In a year's time, how much landfill space will Mrs. William's family save if 1 pound of plastic saves 7.4 yards of landfill space?

Which of the following statements are true about WaterSense toilets?

When 500 phone books are recycled, which of the following statements is false?

Sammy usually takes a 18 minute shower in the morning. If a 4 minute shower uses an average of 20-40 gallons of water, what is the maximum gallons of water that Sammy could be using in her shower?

On average 113,204 aluminum cans are recycled in a minute. Approximately how many cans will be recycled in 16 days? (Express your answer in scientific notation.)