Question 569948
Mark their positions and the time when
the faster car, Melissa's, makes a complete
revolution.
Melissa's 1st revolution:
Cory's is 5 sec behind, which is {{{ 5/50 = 1/10 }}}
of a revolution for Cory
Melissa's 2nd revolution:
Cory has lost another 5 sec. He is {{{ 10/50 = 2/10 }}} of
a revolution behind
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Melissa's 10th revolution:
Cory has lost {{{ 10*5 = 50 }}} sec, which is 1 rev for him
Melissa's 10 revolutions take {{{ 45*10 = 450 }}} sec
In 450 sec they will meet at starting point