Ken and Kara are 27 miles apart on a caml lake paddling toward each other. Ken paddles at 4mph, while kara paddles at 7 mph. How long will it take them to meet?
College Algebra - Reiny, Tuesday, August 31, 2010 at 8:37pm
let Ken paddle x miles, then
Kara paddles 27-x miles
time for Ken = x/4
time for Kara = (27-x)/7
When they meet, each would have paddles the same time, so
x/4 = (27-x)/7