You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(A) $8.25.
(B) $0.0825.
(C) $82.50.
(D) $0.00229.
(E) $29,700,000.
You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(A) $8.25. --- Yes.
(825W)(100hr) = 82500Whr = 82.5kwhr.
Cost = (82.5)($0.10)
You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(B) $0.0825. --- No.
Multiply by 100 hours.
You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(C) $82.50. --- No.
Multiply number of kwhr by $0.10.
You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(D) $0.00229. --- No.
The problem has nothing to do with
the number of joules in a kwhr.
You pull the front grill off your air conditioner and notice that the little silver-colored plate inside it
says "cool W 825". In other words, the cooling cycle draws 825W of power. If the electricity in your area costs ten cents per kilowatt-hour,
what will 100 hours of cooling cost you?
(E) $29,700,000. --- No.
The problem has nothing to do with
the number of joules in a kwhr.
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