Qames can eat 25 marshmallows is 20 minutes. Dylan can eat 25 in one hour. In how much time will the two eat 150 marshmallows?  Select the correct option.
A) 40 minutes.
B) 1 hour and 30 minutes.
C) 1 hour.
D) 1 hour and 40 minutes.
E) 2 hours and 15 minutes.
Rate =Output/Time   Qames Rate=25/20=5/4   Dylan Rate=25/60=5/12   1 hour.ombined rate = 5/4+5/12= 20/12   1 hour.ombinedRate*1 hour.ombinedTime= 1 hour.ombinedOutput   20/12*t=150   t=90 mins =&gt; 1 hr 30 min
<result>C</result>
Qames can eat 25 marshmallows is 20 minutes. Dylan can eat 25 in one hour. In how much time will the two eat 150 marshmallows?