Assignment #45 Water
Usage Comprehension Questions
Answer all
of the following questions to the best of your ability in complete sentences.
Or don’t. See if I care.
1. If water
is one of our most abundant resources, why are we concerned about its
availability in the future? How does our discussion of our water supply connect
to sustainability?
2. Think
about your own personal water usage. What could (or especially would) you do to
reduce your daily consumption of freshwater?
Math Fun! (you’re welcome) ALWAYS SHOW YOUR WORK.
3a. Suppose you shower once a day using
a showerhead that uses 9.5 L per minute. How much water would be used if you
took a 10 minute shower? How much water would be used in a year at this rate?
3b. What would your yearly water usage
be if you reduced your time in the shower by 20 percent?
3c. What would your yearly water usage
be if you decided to only shower once on the weekends? Use the information from
3a.
4a.
Your old school showerhead uses 150 L for a 10-minute shower, whereas a reduced-flow
showerhead uses only 100 L. If you take one shower per day, how many liters of
water would you save in 1 year if you replaced your older showerhead?
4b.
Also, your ancient toilet uses 25 L per flush, whereas a replacement toilet
uses only 5 L per flush. If you flush the toilet four times per day, how many
liters of water would you save in 1 year if you replaced your older toilet?
4c.
How much water could both of your innovations and improvements save in a year?
4d.
If your family paid $1 for every 1,000 L of water used, then how much money, in
total, could be saved in the one year with the water conservation improvements
used in 3a, 3b, and 3c?
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