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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…
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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…
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Apr 28, 2019
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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.
A. 12.3
B. 3.7
C. 7.7
D. 22.3
Mathematics
high-school
Suyash Salampuria
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Suyash Salampuria
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Let c represent the total time during which commercials appeared.
Then 3c+7 = program time = 30 minutes total
Then 3c = 23 minutes, and c = 7 2/3 minutes. This is close to 7.7.
Olexiy Sadovnikov
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May 2, 2019
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Olexiy Sadovnikov
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