Mia observes a marble travel along a horizontal path at a constant rate. The marble travels \frac{1}{20}
20
1
​
of the length of the path in 4\tfrac{1}{5}4
5
1
​
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, mixed numbers, or whole numbers.