Solve
-Dave Can Hike on Level Ground 3 Miles an Hour

Multiple Choice

Solve.
-Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 32 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average
Speed on level ground.

A) $6 \frac { 5 } { 7 } \mathrm { mph }$
B) $4 \frac { 4 } { 7 } \mathrm { mph }$
C) $3 \frac { 5 } { 7 } \mathrm { mph }$
D) $7 \frac { 1 } { 7 } \mathrm { mph }$