Lesson 4 - The Language of Algebra

Gap-fill exercise

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Fill in all the gaps, by selecting the Pull Down Box Arrow next to each gap. Select the correct answer.



2. A peddler of a canoe can row at a rate of 7 miles per hour in calm water. However she is rowing in a river with a current. With that current she can row 18 miles per hour. How fast is the river current?

mph

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