A dog is 3 and one half
years old and 1 and two fifths
feet tall. If its owner is 3 and three fourths
times as tall as the​ dog, how tall is the​ owner? Write the answer as a mixed number in simplest form.
The owner is
nothing feet tall.
​(Simplify your answer. Type a whole​ number, proper​ fraction, or mixed​ number.)