Asked by ashley --- HELP PLEASEE!!!
An electric iron of 500 W power is used daily for 30 minutes. If the cost per kW.h is $0.10, what is the weekly expense in using the electric iron??
Answers
Answered by
bobpursley
weeklyexpense= power*time*costkwhr where power is in kw, time in hrs,
weekly expense= .5*7*.5*.10
check that.
weekly expense= .5*7*.5*.10
check that.
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