Solved

If Electricity Costs 7 $120 - W$ Stereo System $\text { 4.0 hours }$

Question 177

Multiple Choice

If electricity costs 7.06¢/kW∙h,how much would it cost you to run a $120 - W$ stereo system $\text { 4.0 hours }$ per day for $4.0 \text { weeks? }$

A) $0.95
B) $0.14
C) $1.62
D) $2.66

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