Question 1103050
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A surveyor traveled 32 miles by canoe and then hiked 4 miles. 


The rate by boat was four times the rate on foot.


If the time spent walking was 1 hour less than the time spent canoeing,
find the amount of time spent traveling by canoe.
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<pre>
                SPEED       TIME       DISTANCES

CANOE             4r        32/(4r)      32

HIKE              r          4/r          4

DIFFERENCE                   1
</pre>

{{{r}}} is the canoe speed.


{{{highlight_green(8/r-4/r=1)}}}

-

{{{4/r=1}}}

{{{highlight(r=4)}}}


Time spent by canoe,  {{{32/(4*4)}}}
{{{highlight(2)}}}, hours canoe