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Mathematics

OpenStudy (anonymous):

Rusty has a boat goes 12 mi. an hour. Find the current speed of the river if he can go 3 mi. upstream in the same time as he goes 5 mi. downstream.

7 years ago
OpenStudy (anonymous):

2 miles

7 years ago
OpenStudy (anonymous):

Can you show me how to get the answer???

7 years ago
OpenStudy (anonymous):

let time be x therefore 5/x - 3/x = 2/x

7 years ago
OpenStudy (anonymous):

speed is distance/time

7 years ago
OpenStudy (anonymous):

ok thank you

7 years ago
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