2 years ago

How do you do it? What do you take away and do after?

Mathematics

2 answers:

Nuetrik [128]2 years ago

5 0

hi sorry I can't help with that

babymother [125]2 years ago

4 0

The answer would be 7:46

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An oarsman can row his boat 3 mph in still water. He sets out on the Illinois River, which flows at 5 mph. We are interested in

Artyom0805 [142]

Answer:

The speed from the observer is 8 mph.

Step-by-step explanation:

When the boat is going downstream with full force, its speed will be the one the oarsman can row on still water added by the flow of the river. In this case he can row the boat at speed of 3 mph, while the stream is 5 mph, so the speed from the observer standpoint is:

$speed = 3 + 5\\speed = 8 \text{ mph}$