Grim and Mandy want to join a gym. Grim is interested in a gym that has a $225 fee to join and charges $12 per month. Mandy is interested in a gym that has a $18 fee to join and charges $35 per month. How many months will it take for the total cost that Grim and Mandy each pay to be equal?

the correct answer is d

hope this

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.