A jet boat is used to take canoers 200 miles upriver to their starting point. As the driver of the jet boat, Jeremy knows that i

Question

3 years ago

6

A jet boat is used to take canoers 200 miles upriver to their starting point. As the driver of the jet boat, Jeremy knows that i

t will take him 5 hours to get the canoers upstream, but only 4 hours to get the boat back downstream after dropping the canoers off, as long as he keeps the boat moving at a constant speed.

Mathematics

2 answers:

aivan3 [116] · Answer 1 · 2022-07-19T15:17:18+03:00

aivan3 [116]3 years ago

8 0

200/5 = 40 mph 200/4 = 50 mph Let x be the speed in still waters and y the speed of current. x + y = 50 x - y = 40 ADD 2x = 90 x = 45 mph ANSWER is C) 2) C

trasher [3.6K] · Answer 2 · 2022-07-19T17:05:51+03:00

trasher [3.6K]3 years ago

3 0

Answer:

C. 45MPH

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