Solution:
7 Write a multiplication equation and a subtraction
equation that both involve a fraction and have the
same solution. Solve your equations to show that
the solutions are the same.
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Lesson 21 Solve Inequalities
Curriculum Associates, LLC
Copying is not permittel

What is the difference between the predicted value and the actual value

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?