When renting a limo for prom, the number of people varies inversely with the cost per person. Originally there were 10 people and the cost
per person was $20. If the number of people changed to 4, what would
be the new cost per person?

sorry but thx

Step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.