Your "time" equation for the unknown distance d (in miles) is+ = hours (notice = !) To solve it, multiply both sides by 48. You will get 8d + 3d = 5*24, 11d = 120 ====> d = = miles. Answer. The distance under the question is miles.
SPEED TIME DISTANCE
RUNto 6 d
RIDEback 16 d
Total