Challenge The price of Stock A at 9
A.M. was $12.29. Since then, the price
has been increasing at the rate of
$0.07 each hour. At noon the price of
Stock B was $12.79. It begins to
decrease at the rate of $0.13 each
hour. If the two rates continue, in how
many hours will the prices of the two
stocks be the same?



Answer :