Put all numbers in smallest to largest order
if there are an odd number of results, the median is in the middle
if there even, then its the mean of the two central numbers
The rate of change is 6 secs/foot in terms of seconds per foot.
Answer:
if its addition then it will be 79cm
I had a question just like this I put 12x plus 18y plus 53 plus 1 and it worked