J Joey New member Sep 2, 2010 #1 if the cost of 1 kWh is 28 cents,determine for how many days,hours,minutes and seconds you can operate a 250W color TV so that the cost does not exceed R20.00 (100 cents = R1.00 therefore 20000cents=R20.00)
if the cost of 1 kWh is 28 cents,determine for how many days,hours,minutes and seconds you can operate a 250W color TV so that the cost does not exceed R20.00 (100 cents = R1.00 therefore 20000cents=R20.00)
