The next two questions are based on the following information:
Four roommates must use their financial aid checks to pay their living expenses.
Each student receives $1000 per month.
One roommate is saving to buy a house, so each month he puts money aside in a special house savings account. The ratio of his monthly house savings to his rent is 1:3. If he pays $270 per month in rent, how many money does he put into his house savings account each month?
A. $90
B. $270
C. $730
D. $810
