Question 1069520
 lewis and clark both drove their families to camp that was 420 miles away. Lewis drove at 60 mph and clark drove 10mph less than lewis. Lewis left at 8:30 a.m. and arrived at 3:30pm. clark left at 8:00 a.m. How long did the trip take and when did clark arrive?
<pre>Clark’s time: {{{matrix(1,9, 420/50, "=", 8.4, hours, or, 8, "hours,", 24, minutes)}}}
Time Clark left: 8:00 a.m.
Time Clark arrived: {{{highlight_green(matrix(1,7, 8:00, "a.m.", "+", 8:24, "=", 4:24, "p.m."))}}}
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