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, while that of the vacuum cleaner is 5.3 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 12 minutes to the energy used by the vacuum cleaner in 54 minutes.