An item is regularly priced at $79. It is now priced at a discount of 55% off the regular price.

$78.45 is the total price after the 55% discount.

Step-by-step explanation: $79 - 55% = 78.45

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours