Answered

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During a one-year time period, how many gallons of water would the average household save by using
an efficiency washer vs a regular washer? Is this one-year savings more or less than the amount
of water an average person drinks in a lifetime? Explain and show your assumptions, calculations, and
conversions.
Consider it to be 2 separate problems:
1. How much water is saved in a one-year period when using an efficiency washer vs regular
washer - answer based on your assumptions and calculations for full credit
2. How much water does an average person drink in a lifetime – arrive at this answer based on
your assumptions and calculations
3. Compare the answers to those 2 questions to arrive at your conclusion
Below are 3 pieces of information that you might find helpful
there are 128 oz in a gallon
there are 365 days in a year and also 52 weeks in a year
Most high-efficiency washers use only 15 to 30 gallons of water to wash the same amount of clothes as older washers (29 to 45 gallons per load)

Sagot :

From the calculation, we can infer that the amount of water saved by the efficient washer is less than the average person's consumption in the average span of life.

What is efficiency?

The ratio of useful output to total input can be used to calculate efficiency.

A typical washing machine uses 41 gallons of water every load, whereas a highly efficient washing machine uses less than 28 gallons.

Suppose an average person lives for 80 years. The total number of days will be:

80×365 = 29200 days.

1. We assume that daily once the washer is used. So total water saved during year time:

28×365 = 10220 Gallon of water is saved.

2. In 1-day, the average person drinks 8 glasses which is equivalent to 2 quarts of water & there are 4 quarts in a gallon which imply that a person drinks half a gallon of water per day.

So, in a lifetime the person will drink:

29200(days)×0.5(gallons) = 14600 Gallon

Hence, from the above calculation, we can infer that the amount of water saved by the efficient washer is less than the average person's consumption in the average span of life.

Learn more about the efficiency here:

https://brainly.com/question/13828557

#SPJ1

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