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a swimming pool is 350 dm long. how many times must you swim back and forth to go a distance of 800 m?

Sagot :

Conversion:
                  1 meter = 10 dm
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Length of swimming pool:
    350dm (1m/10dm) = 35meters
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For a distance of 800 meters
800m/35m = 160/7 times
                    = 22.86 
                    ≈ 23 times

First let us convert
1m=10dm

350dm=35m

To find how many times you must swim back and forth, divide 800 by 35
800/35=22.8571428571

Therefore you must swim 23 times back and forth