College Algebra
posted 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?

let Ken paddle x miles, then
Kara paddles 27x miles
time for Ken = x/4
time for Kara = (27x)/7
When they meet, each would have paddles the same time, so
solve
x/4 = (27x)/7
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