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

Question

Digiron [165]

4 years ago

13

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?

Mathematics

2 answers:

zubka84 [21] · Answer 1 · 2021-11-23T10:47:04+03:00

zubka84 [21]4 years ago

8 0

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!

:)

miskamm [114] · Answer 2 · 2021-11-23T12:23:00+03:00

miskamm [114]4 years ago

8 0

Answer: -8.5

Well I really don't know how to explain but I just did it and I got the answer.