Posted by **Sanjana** on Monday, October 13, 2008 at 8:18pm.

A cheetah is 300 feet from its prey. It starts to sprint toward its prey at 90 feet per second. At the same time the prey starts to sprint at 70 feet per second. When will the the cheetah catch the prey?

Can you please provide an explantaion?

Thanks

- Math- Weighted Average -
**bobpursley**, Monday, October 13, 2008 at 8:36pm
This has nothing to do with weighted average.

They run the same time, and the cheeta runs 300 feet further.

cheetadisstance=90t

prey distance=70t

but preydistance = cheetadistance-300

so

70t=90t-300, right?

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