Math
posted by Mel
Topic: Water Footprint.
City of New York 2011 rate of 7.64/100 cubic feet of water. Calculate the cost of each of the following based on this rate. Use the conversion factor of 7.48 gallons per cubic food.
A. A standard washing machine uses approximately 50 gallons of water per load. A household washes one load of laundry per week for 52 weeks. Find the total cost per year.
B. According to one study, the average American shower lasts for 8.2 minutes and uses 17.2 gallons. A person showered once a day for a year. Find the cost per year.

Henry
A. 50gal/Load * 52Loads = 2600 Gal. = 347.6 Ft^3.
Cost = 347.6Ft^3 * 7.64/100 =
B. (17.2/7.48)FT^3/day * 365days = 839.3 Ft^3.
Cost = 839.3Ft^3 * 7.64/100Ft^3 =
Respond to this Question
Similar Questions

calculusrate problem
A conical tank (with vertex down) is 10 feet acros the top and 12 feet deep. If water is flowing into the tank at a rate of 10 cubic feet per minute, find the rate of change of the depth of the water when the water is 8 feet deep. 
Math
A swimming pool that is 100 feet in length by 10 feet deep and 40 feet wide is filled with water how many gallons of water are in the pool. (1cubic foot of water = 7.48 gallons of water) well for the volume of the water i got 40,000 … 
Math
A cylindrical storage tank has a height of 100 feet and a diameter of 10 feet. (Use pi = 3.14) What is the lateral surface area of the tank? 
Math
A cylindrical storage tank has a height of 100 feet and a diameter of 10 feet. (Use pi = 3.14) What is the lateral surface area of the tank? 
Physics for life scince
III) The municipality of New York supplies 2 million cubic metres of water per month to the city of New York. If a household consumes about 30killolittres of water per month, estimate the number of residents in New York ,assuming … 
math
a vessel comtaining water has the shape of an inverted circular cone of base radius 5 feet and height 10 feet.the water flow from the apex of the cone at a constant rate of 3 cubic feet per minute.how fast is the water lavel rising … 
math
A trough is 2 feet wide and 8 feet long with a crosssection that is triangular (equilateral). Water is being pumped in at 2 gallons per minute. How fast is the depth rising when it is 3 inches deep? 
math
Suppose water flows from a shower at a rate of 0.32 cubic feet per minute. Do you use more water by taking a 12minute shower or by filling a bathtub with 0.4 cubic yards of water, and by how much? 
Calculus
Water is leaking out of a pool at a rate of 4 cubic inches per second, what is the rate of change of the height of the water at the instant the volume equals 20ft cubic feet 
geometry
 One cubic foot is approximately 7.5 gallons of water  A typical garden hose releases approximately 11 gallons of water per minute Total cubic feet is 2268. How long will it take to refill the pool?