Carregando…
Exemplo 1.29 de Elementary Algebra, 1.2 Use the Language of Algebra
Problema e solução em inglês, como no livro original.
June has dimes and quarters in her purse. The number of dimes is three less than four times the number of quarters. Let q represent the number of quarters. Write an expression for the number of dimes.
Resolva no papel primeiro. Depois abra a solução um passo de cada vez e pare assim que conseguir terminar sozinho.
| Write a phrase about the number of dimes. | three less than four times the number of quarters |
| Substitute for the number of quarters. | 3 less than 4 times |
| Translate "4 times ." | 3 less than |
| Translate the phase into algebra. |
O Try It do livro logo depois deste exemplo: mesma ideia, outros números. Só a resposta é dada.
Geoffrey has dimes and quarters in his pocket. The number of dimes is eight less than four times the number of quarters. Let q represent the number of quarters. Write an expression for the number of dimes.
Como foi?