A program on television ran 30 minutes. The program ran seven minutes longer than three times the length of the commercials. Use the guess and check method to find the number of minutes the commercials ran during the program.

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Question

Mathematics

April Parrish

31 July, 23:52

A program on television ran 30 minutes. The program ran seven minutes longer than three times the length of the commercials. Use the guess and check method to find the number of minutes the commercials ran during the program.

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Answers (2)

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Susan Haas · Answer 1

Well if we let c represent the number of minutes the commercials ran, then 3c+7 = 30 right?

Raine · Answer 2

L=length of commercials, p=program on television

p=3l+7

p=30

Substitute 30 for p in first equation

30=3l+7

23=3l, l=7 and 2/3

length of commercials: 7 minutes and 40 minutes.

A program on television ran 30 minutes. The program ran seven minutes longer than three times the length of the commercials. Use the guess and check method to find the number of minutes the commercials ran during the program.Your Answer

A program on television ran 30 minutes. The program ran seven minutes longer than three times the length of the commercials. Use the guess and check method to find the number of minutes the commercials ran during the program.

Your Answer