Texas Instruments Voyage 200 User Manual page 776

7. Solve for
eq2
speed of the boat.
solve(eq2,b)
8. Substitute the known value of
and solve
eq1
speed of the eastward traveling current.
solve(eq1,a) | b
The boat travels at a speed of 22.7 knots, and
the water current is approximately 7.9 knots.
Activities
to calculate the actual
b
b
for to determine
a
into ,
eq1
, the
a
776