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Rectangular pool with walkway, find areas

Q: A rectangular pool has a stone walkway around it. The total lenghth of the pool and walkway is 3 times the total width. The walk way is 2 feet all around. a) Write an expression for the area of the pool b) Find the area of the pool when the total width is . . . → Read More: Rectangular pool with walkway, find areas

Perimeter of a Rectangle, Two Unknowns

Q: The perimeter of a rectangle is 74 inches. If the width is doubled and the length is halved, the new rectangle will have a perimeter is 76 inches. What are the dimensions?

A: You have two unknowns, l=length and w=width, so you need two equations.

Recall that perimeter of a rectangle is P . . . → Read More: Perimeter of a Rectangle, Two Unknowns

Length and Width of Rectangle, Word Problem

Q: The length of a rectangle is 19 feet longer than the width If the perimeter is 46 feet, what are the dimensions of the rectangle?

A: Let l = length Let w = width Let P = perimeter Two Equations, one for length, one for Perimeter: l = 19+w P = 2w + . . . → Read More: Length and Width of Rectangle, Word Problem