Question 928681
x = speed of boat in still water
y = speed of the current
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s = d/t
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downstream:
x + y = 20/2
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upstream:
x - y = 20/5
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put the system of linear equations into standard form
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x + y = 10
x - y = 4
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copy and paste the above standard form linear equations in to this solver:
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solution:
x = speed of boat in still water = 7 mph
y = speed of the current = 3 mph
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Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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