Question

I asked this question yesterday, but no one answered, and i really need help! it would be nice if u halped :) thank you

The running time (in minutes) of a TV episode is 30 – 0.5c
where c is the number of commercials aired during the
episode. What is the running time of an episode with 15
commercials?

Answer 1

Total running time is 22.5

Explanation:

The running time of TV episode is given by

where c is the number of commercials.

now it is given that number of ads are 15.

Inserting value of 15 as c in the equation,

Thus the total running time is 22.5