Well, if he walked one and three fourths miles five times, all you have to do is multiply one and three fourths and five to get your answer.
[tex]1 \frac{3}{4}*5 \\ \\ \frac{7}{4}* \frac{5}{1} \\ \\ \frac{7*5}{4*1} \\ \\ \frac{35}{4} =8 \frac{3}{4} [/tex]
