8.1.5 Solving Rational Equations and Inequalities - Practice
1. Solve the equation. x x x 1 9 5 + + =
2. Solve the equation. x x x x 2 3 3 2 3 + − = − −
3. Solve the equation. x x x x x 2 3 5 3 8 5 + − + = + −
4. A baseball team has won 13 out of 18 games they played this session. How many additional games must the team win in a row to raise its winning percentage to 80%?
6. Solve the inequality.
5. A kayaker spends a morning paddling on a river. She travels 9 miles upstream and 9 miles downstream in a total of 6 hours. In still water, she can travel at an average speed of 4 miles per hour. What is the average speed of the river’s current in miles per hour?
6 −
3
≥
x
7
196
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