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Example 2.27 from Prealgebra, 2.2 Evaluate, Simplify, and Translate Expressions
Blanca has dimes and quarters in her purse. The number of dimes is less than times the number of quarters. Let represent the number of quarters. Write an expression for the number of dimes.
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 number of dimes. | two less than five times the number of quarters |
| Substitute for the number of quarters. | less than five times |
| Translate times . | less than |
| Translate the phrase into algebra. |
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Geoffrey has dimes and quarters in his pocket. The number of dimes is seven less than six times the number of quarters. Let represent the number of quarters. Write an expression for the number of dimes.
How did it go?