A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating

Question:

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 11 A, and that of the vacuum cleaner is 4.0 A. Determine the power consumed by
(a) The blow-dryer and
(b) The vacuum cleaner.
(c) Determine the ratio of the energy used by the blow-dryer in 15 minutes to the energy used by the vacuum cleaner in one-half hour.