amcda213040
02.12.2021 •
Mathematics
Geometry Help?Pythagorean Theorem to solve. a^2 + b^2 = c^2.
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Ответ:
total time = upstream time + downstream time
he rowed the same distance both ways.
upstream time = D/4
downstream time = D/6
total time = D/4 + D/6 = 3D/12 + 2D/12 = 5D/12 = 3 hours
D = 3*12/5 = 36/5 or 7.2 miles
where D is the one-way distance. The total distance he rowed is 2*D = 72/5 or 14.4 miles
Step-by-step explanation: