mackenzie112068
18.12.2020 •
Mathematics
A steamboat travels upstream, against the current, at a speed of 5 miles per hour. Later the steamboat travels downstream with the current, at a speed of 9 miles per hour. Choose the system of equations that can be solved to find the speed of the the steamboat, x, and the speed of the current, y.
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Ответ:
12.6
Step-by-step explanation: