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2. What is the total cost of using (a) a 5600-w electric clothes dryer for 30 min (b) a 1200-w toaster for 20 min

2. What is the total cost of using (a) a 5600-w electric clothes dryer for 30 min (b) a 1200-w toaster for 20 min (c) a 400-w washing machine for 55 min (d) six (6) 60-w bulbs for 4 hr (e) If the cost of utility is 20 (cents) per kw-hr, find the total cost for all the devices consumed?

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