Ineed to know how to write this word problem in an algebraic expression with answer at 8 a. m. to automobile started from the same place one traveled north at the rate of 49 miles per hour and the other traveled south at the rate of 56 miles per hour at what time were the automobiles 420 miles apart

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.