OpenStax, Intermediate Algebra 2e §4.7 Graphing Systems of Linear Inequalities · Exercise 137 · Algebra · Systems
Graphing Systems of Linear Inequalities · Exercise 137
Translate to a system of equations and solve.
Greg is paddling his canoe upstream, against the current, to a fishing spot 10 miles away. If he paddles upstream for 2.5 hours and his return trip takes 1.25 hours, find the speed of the current and his paddling speed in still water.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Intermediate Algebra 2e · §4.7 Graphing Systems of Linear Inequalities · Exercise 137
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