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

Question

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, and that of the vacuum cleaner is 6.0 A.
(a) Determine the power consumed by the blow-dryer.

for this answer I got 1440 W and it was correct

(b) Determine the power consumed by the vacuum cleaner.

for this I got 720 W and it was correct

(c) Determine the ratio of the energy used by the blow-dryer in 17 minutes to the energy used by the vacuum cleaner in one-half hour.
Ebd / Evc =???

I cannot seem to get the correct answer to this last part.. or I am not entering it into webassign correctly? help would be appreciated thanks!

Explanation / Answer

Ebd / Evc = 1440 / 720 = 2

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