Solve Write the Answer in Simplest Form $1 \frac { 1 } { 7 }$

Multiple Choice

Solve. Write the answer in simplest form.
-Maria exercises forexercises for $1 \frac { 1 } { 7 }$ hours every hours everySaturday. She runs for $\frac { 3 } { 8 }$ of the time that she exercises. How much time does she spend running every Saturday?

A) $1 \frac { 3 } { 56 } \text { hours }$
B) $1 \frac { 3 } { 7 } \text { hours }$
C) $\frac { 1 } { 7 } \text { hour }$
D) $\frac { 3 } { 7 } \text { hour }$