Christopher observes a marble travel along a horizontal path at a constant rate. The marble travels one tenth 10 1 of the length of the path in 4, point, 84.8 seconds. At that rate, how many seconds does it take the object to travel the full length? On the double number line below, fill in the given values, then use multiplication to find the missing value. Enter your answers as fractions, whole numbers, or decimals.
