Solve
-A Boat Moves 8 Kilometers Upstream in the Same $13 \frac { 1 } { 3 } \mathrm {~km} / \mathrm { hr }$

Multiple Choice

Solve.
-A boat moves 8 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 8 kilometers per hour, find the rate of the boat in still water.

A) $13 \frac { 1 } { 3 } \mathrm {~km} / \mathrm { hr }$
B) $5 \frac { 1 } { 3 } \mathrm {~km} / \mathrm { hr }$
C) $8 \mathrm {~km} / \mathrm { hr }$
D) $18 \frac { 2 } { 3 } \mathrm {~km} / \mathrm { hr }$