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Serhud [2]
3 years ago
8

Erica and Amy started biking in the opposite directions at the same time from the same place. Erica biked at a speed of 6 meters

per second and Amy biked at a speed of 4 meters per second. How soon were they exactly 1 km apart?
Mathematics
1 answer:
ipn [44]3 years ago
3 0
Since they are moving in opposite directions, this is the same as Amy staying still and Erica biking at 10 meters per second away from her.

To travel 1km = 1000m at 10 meters per second, you need 1000/10 = 100 seconds.
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