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Example 2.26 from Prealgebra, 2.2 Evaluate, Simplify, and Translate Expressions
The height of a rectangular window is inches less than the width. Let represent the width of the window. Write an expression for the height of the window.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
| Write a phrase about the height. | less than the width |
| Substitute for the width. | less than |
| Rewrite 'less than' as 'subtracted from'. | subtracted from |
| Translate the phrase into algebra. |
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
The length of a rectangle is inches less than the width. Let represent the width of the rectangle. Write an expression for the length of the rectangle.
How did it go?