In an area in which electricity costs 8 cents/kilowatt-hour, a 5 kW clothes dryer runs for 90 minutes to dry a load of laundry. How much did it cost to dry these clothes?
These are the choices
$0.20

Question

In an area in which electricity costs 8 cents/kilowatt-hour, a 5 kW clothes dryer runs for 90 minutes to dry a load of laundry. How much did it cost to dry these clothes?
These are the choices
$0.20 <------ This is my answer.
$0.30 <------ This is my second  answer.
$0.45
$0.60
Please help!!!!!!!!!!!!

andrewkaiser333 · Answer

@TuringTest @anonymous_user @ganeshie8 @BrianMcGreevy

andrewkaiser333 · Answer

@Schleifspur

anonymous · Answer

60

andrewkaiser333 · Answer

kk

anonymous · Answer

calculation of the power your machine needs:

P = W * t

P = 5 kW * 1.5 h

P = 7.5 kWh

andrewkaiser333 · Answer

how did you get it so i know

anonymous · Answer

5 killowat dryer times 8 cents a killowat for 1.5 hours

anonymous · Answer

cost calculation:

M = P * 8 cents/kWh

M = 60 cents

andrewkaiser333 · Answer

ok cool thanks

andrewkaiser333 · Answer

don't know which one to give my medal too i want both of you to have one
since yall had it right and helped me

andrewkaiser333 · Answer

i gave one to you schleifspur and if you do not mind since brian helped too you send him a medal please????

andrewkaiser333 · Answer

@Schleifspur