2-95. a one-minute advertisement on a local television station during prime time (8-10 p. m. on weeknights) costs the advertiser $12,800. to the nearest cent, how much does the advertisement cost per second? show your work using dimensional analysis and giant ones.

$213.33

Step-by-step explanation:

Data provided in the question:

Duration of the advertisement = 1 minutes

Cost of the  1 minute advertisement = $12,800

Now,

1  minute contains 60 seconds

thus,

60 seconds of advertisement costs = $12,800

applying the concept of unitary method

1 second of of advertisement costs will cost =

or

1 second of of advertisement costs will cost = $213.33

what is the original number? you forgot to add it.