Question

A xbox is rated at 0.15 kW. This xbox is used 10 hours per day. What is the cost using this xbox each month. Assume cost of electricity is 11.42¢/kWh and there are 30 days in a month.

A. 516 ¢ ($5.16)

B. 45 ¢ ($0.45)

C. 2 ¢ ($0.02)

D. 17 ¢ ($0.17)

Answer 1

A. 516 ¢ (**closet answer**)

Step-by-step explanation:

xBox is rated 0.15 kW

in one day energy used will be 0.15kW ×10hr=1.5kwh

in 30 days energy used will be 1.5kwh×30=45kwh

rate of 1kwh is 11.42¢

so,rate for 45kwh will be 11.42×45 ≈514¢