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Mastering Distance, Rate, and Time: Detailed Steps and Formulas

This guide covers essential formulas and problem-solving strategies for calculating distance, rate, and time. By following a systematic approach in just 3-4 steps, you can easily solve for any of these variables using the formula D = rt, where D represents distance, r is rate, and t is time. Learn how to calculate the perimeter and area of rectangles with provided dimensions using the formulas P = 2L + 2W and A = L∙W. Practical examples and homework exercises from page 139 are included to reinforce your understanding.

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Mastering Distance, Rate, and Time: Detailed Steps and Formulas

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  1. Using Formulas 3.4

  2. Steps: Formulas • Plug in the given values • Do the opposite operation to solve for the variable

  3. D=rt D= distance R=rate T=time

  4. Find d, r, or t Given: d=273 mi, t=9.75h, find r

  5. Find d,r,or t Given d=540.75 in , r= 10.5 in/yr find t in years

  6. Use F=n/4 +37 F= Fahrenheit N=number of chirps a cricket makes

  7. Find F Given: n=96 chirps/min

  8. Find F Given: 88 chirps/min

  9. Perimeter of a Rectangle P=2L + 2w P= perimeter L= length W=width

  10. Find the Perimeter 27.3 cm 16.8 cm

  11. Find the Perimeter 17.4 in 8.6 in

  12. Area of a Rectangle A=L ∙ W A=Area L=Length W= Width

  13. Find the Area 17.4 in 8.6 in.

  14. Homework Page 139 (1-20) all

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