Saved Bookmarks
| 1. |
Eliza usually jogs at an average speed of 100m / min and takes 24 minutes to reach the park . If she jogs at 20m / min slower than her usual speed , how much longer will she take to reach the park ? Options 10minutes. 20minutes. 6 minutes. |
|
Answer» Answer: 6 minutes V1=100m/MIN time TAKEN= 24min total DISTANCE D=V*T 100*24=2400 NEW SPEED V2=80 m/min DISTANCE=2400 TIME TAKEN=2400/80=30 MINUTES EXTRA TIME=30-24= 6 min |
|