Home » GMAT » How much time will the two eat 150 marshmallows?
James can eat 25 marshmallows is 20 minutes. Dylan can eat 25 in one hour.
In how much time will the two eat 150 marshmallows?
A. 40 minutes.
B. 1 hour and 30 minutes.
C. 1 hour.
D. 1 hour and 40 minutes.
E. 2 hours and 15 minutes.
Correct Answer: C
Explanation/Reference:
Explanation:
Calculate each of their output in one hour: James can eat 75 and Dylan can eat only 25. Together they can eat 100 marshmallows in 1 hour. It would take those 1.5 hours to eat 150 marshmallows.
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