Asked by ALGY

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?
Answered by Reiny
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
solve
x/4 = (27-x)/7
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