Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 72 floors per minute. At the same time Joyce gets on an elevator on the 61st floor of the same building and rides down at a rate of 78 floors per minute. If they continue traveling at these rates, at which floor will their paths cross? Choose the correct choice from the following answers:
A) 19
B) 28
C) 30
D) 35
E) 44
Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 72 floors per minute. At the same time Joyce gets on an elevator on the 61st floor of the same building and rides down at a rate of 78 floors per minute. If they continue traveling at these rates, at which floor will their paths cross?   50 floors/150 floors per minute=1/3 minutes     11+72/3= 
<gadget id="calculator">  11+72/3</gadget>
<output>35</output>
35   61-78/3= 
<gadget id="calculator">61-78/3</gadget>
<output>35</output>
35   Answer : 35
<result>D</result>
Steve gets on the elevator at the 11th floor of a building and rides up at a rate of 72 floors per minute. At the same time Joyce gets on an elevator on the 61st floor of the same building and rides down at a rate of 78 floors per minute. If they continue traveling at these rates, at which floor will their paths cross?