Mathematics, 02.12.2021 01:30 erykaa

a boat averages 30 miles per hour upstream. on the return trip, the boat averages 35 miles per hour downstream due to the current. the total trip time is 1 hour and 18 minutes. how long does each trip take? IF CORRECT I WILL GIVE BRAINLIEST!!

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a boat averages 30 miles per hour upstream. on the return trip, the boat averages 35 miles per hour...

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