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Chapter 2: Problem 16

Solve each problem by applying the four steps of problem solving. Use the strategy of solving an algebraic equation for each problem. A rectangle that has an area of 357 square inches is 17 inches wide. How long is the rectangle?

Short Answer

Expert verified
Answer: The length of the rectangle is 21 inches.

Step by step solution

01

Write down the given information and the formula to be used

We are given that the area of the rectangle (A) is 357 square inches, and the width (w) is 17 inches. We need to find the length (l). The formula for the area of a rectangle is A = wl.
02

Substitute the given values into the formula

We can start by substituting the known values of A and w into the formula: 357 = 17 脳 l
03

Solve the equation for l

To find the length, l, we need to isolate it by dividing both sides of the equation by 17: l = \frac{357}{17}
04

Perform the calculation

Now, simply divide 357 by 17 to get the length: l = 21 The length of the rectangle is 21 inches.

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