Maria host a radio show. She must play 14 commercials during her one-hour radio show. Each commercial is either one-half minute or one minute long. If the total commercial time during that hour Is 10 minutes. Give two equations based on this.

Answer 1

Let x be the number of half-minute commercials played.
Let y be the number of one-minute commercials played.

The first equation is based on the total number of commercials played:
x + y = 14

The second equation is based on the total commercial time:
0.5x + y = 10