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denpristay [2]
1 year ago
11

HELP PLS NEED THIS ASAP

Mathematics
1 answer:
11Alexandr11 [23.1K]1 year ago
5 0

Answer:

Let x = # of commercials

    y = # of movies

<u>System of Equations:</u>

x + y = 90

40x + 110y = 500

Step-by-step explanation:

We have to set our variables before we start solving. After setting the variables, we can set up the equations. If x = # of commercials and y = # of movies, then we can assume x + y = 90, as there have been a total of 90 commercials and movies played altogether. Then, we know that their worth is $500, so the price of all the commercials played and the price of all the movies played (which is 40x + 110y) sum to $500.

(I've just answered this question from your previous post. Unless my answer was wrong, I don't see why you would repost the exact same question.)

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