The quotient of -7 and a number x is less than 8

When y’all answer can y’all explain too !

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.