In 30 minutes, a television station plays 8.5 minutes of commercials. The equation m + 8.5= 30 gives the length m in minutes of
the cooking show aired during this 30-minute period.Which of the following is a solution of the equation?
2 answers:
The solution to the equation would be 21.5
Why?
If you do the equation backwards
30 - 8.5 = x
You would get 21.5
You can plug it into the first equation to check!
:)
Answer: -8.5
Well I really don't know how to explain but I just did it and I got the answer.
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