# Relay-race

Kate ran 170 meters at 29.8 seconds, Suzan at 29.3 seconds, Roza at 34 seconds and Žofka at 30.4 seconds.

How long took to run 4x170 m relay-race?

Result

t =  123.5 s

#### Solution:

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#### To solve this example are needed these knowledge from mathematics:

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