She would start at the 3 inch mark and count from there.
Answer:
1:6
5:30
?:426
You would take the ratio of each one which is simply 1:6, so to reduce ?:426 into 1:6, you would divide 426/6=71, so it would be
71:426
The rate of change is 6 secs/foot in terms of seconds per foot.
