 A backpacker in the Sierras hikes 5.5 miles in 2 hours. If the hiking rate remains the same, how far will the backpacker hike in 7 hours?

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Presentation transcript:

 A backpacker in the Sierras hikes 5.5 miles in 2 hours. If the hiking rate remains the same, how far will the backpacker hike in 7 hours?

 Uses division to compare two quantities. Can write the ratio of two quantities a and b in three ways:

 At a carwash fundraiser, 18 ninth grade students and 14 tenth grade students worked the first shift  A. Find the ratio of ninth grade students to tenth grade students.  B. Find the ratio of ninth grade students to all students.

 Equation that states two ratios are equivalent What must be true though??

 A.  B. 12 is to 18 as d is to 27.

 HW #16 Ratio and Proportion Worksheet