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pashok25 [27]
3 years ago
8

for every 30 minutes of TV air time there are 8 minutes of commercial. If 90 minutes of TV or are now how many how many minutes

a commercial will be there
Mathematics
2 answers:
Illusion [34]3 years ago
8 0

Answer: 24 minutes of commercials.


Step-by-step explanation: Divide 90 by 30 to figure out how much you're going to multiply the 8 minutes of commercial by.

The answer is three, then multiply three by the 8 minutes of commercial to get the answer for how many minutes a commercial will be if there were 90 minutes of TV air time.

For every 30 minutes there are 8 minutes, so you just multiply the constant figure which is three by the number that has not yet been changed.

Anna35 [415]3 years ago
7 0

Let m = minutes of commercial


30/90 = 8/m


Solve for m.


90(8) = 30m


720 = 30m


720/30 = m


24 = m

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