Question

The amount of money Tricia pays for rent each month is modeled by the equation r = $20d + 100. Tricia's roomate charges a flat utilities fee and a dail rent fee. r represent the total rent due. What is the meaning of the 100 in this model?

Answer 1

I think its the estimated amount of the part she has to pay for.

Answer 2

I think it's a certain amount of mony that she has to pay for.