algebra
posted by jessica .
During the month of february, the depth,d, of snow in inches at the base of one ski resort can be approximated by adding 7 to twice the number of days, t, since Jan. 31.

Interesting, but what is your question?
posted by jessica .
During the month of february, the depth,d, of snow in inches at the base of one ski resort can be approximated by adding 7 to twice the number of days, t, since Jan. 31.
Interesting, but what is your question?