Add and Subtract Rational Expressions with Unlike Denominators · Exercise 84
Kayaking When Trina kayaks upriver, it takes her hours to go 5 miles, where is the speed of the river current. It takes her hours to kayak 5 miles down the river.
ⓐ Find an expression for the number of hours it would take Trina to kayak 5 miles up the river and then return by adding
ⓑ Evaluate your answer to part (a) when to find the number of hours it would take Trina if the speed of the river current is 1 mile per hour.
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OpenStax, Elementary Algebra 2e · §8.4 Add and Subtract Rational Expressions with Unlike Denominators · Exercise 84
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