Practice Solving Equations and Representing Situations with Equations

Kiran’s backpack weighs 3 pounds less than Clare’s backpack. Clare’s backpack weighs 14 pounds. How much does Kiran’s backpack weigh?

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Kylie and Ricardo decide to start a dog watching business for their neighborhood. Kylie thinks it would be best to charge customers $27 for a membership and then $5 per time they walk a dog. Ricardo thinks it would be best to charge $8 per dog walk. For what number of walks will their two plans cost the same amount of money?

Mathematical Equivalence

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1. Kylie and Ricardo decide to start a dog watching business for their neighborhood. 

3. Kylie thinks it would be best to charge customers $27 for a membership and then $5 per time they walk a dog. 

5. Ricardo thinks it would be best to charge $8 per dog walk. 

7. For what number of walks will their two plans cost the same amount of money?

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The perimeter of the rectangle shown is 36 inches. Solve for the value of x.

Tip: just type in the number.

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The perimeter of the rectangle shown is 36 inches. Solve for the value of x.

Tip: just type in the number.

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For each equation, draw a tape diagram that represents the equation.

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Solve the equation:

2x=5