Question

11. A) and B) please answer asap

Answer 1

a). 1,600 W  =  1.6 kW

15 min = 0.25 hour

(1.6 kW) x (0.25 hr)  =  0.4 kW·h

b).  If each kW·h of energy costs 7¢ , then 0.4 kW·h costs

(0.4 kW·h) x (7¢ /kW·h)  =  2.8¢