1989 AIME Problems/Problem 6
Problem
Two skaters, Allie and Billie, are at points and
, respectively, on a flat, frozen lake. The distance between
and
is
meters. Allie leaves
and skates at a speed of
meters per second on a straight line that makes a
angle with
. At the same time Allie leaves
, Billie leaves
at a speed of
meters per second and follows the straight path that produces the earliest possible meeting of the two skaters, given their speeds. How many meters does Allie skate before meeting Billie?
Solution
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