8. Anneke is swimming the 500-meter freestyle, which consists of swimming the length of a pool 20 times. If Anneke averages 26.4 seconds per length of pool, write an equation that could be used to determine the number of meters (m) Anneke has left in the event after swimming for s seconds.

Anneke will swim 20 lengths in the 500-meter event,

which means each length of the pool is = 500/20

= 25m

also since Anneke can swim one length in 26.4 seconds on average

hence her average speed is = 25/26.4 m/s

hence after a seconds,

the distance traveled = 25s/26.4 meter

thus, the remaining distance Anneke need to travel is:

m = 500 - (25s/26.4)

i don't know, but that looks pretty bad. my school passed us unless we failed in all the subjects, but idk abt ur school's rules.

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