A number, when divided by 4, is reduced by 21. What is the number? |
28 38 20 18 |
28 |
Let the number be $x$. According to the question: When the number is divided by 4, it is reduced by 21. So, $x - \frac{x}{4} = 21$ $\frac{3x}{4} = 21$ $x = \frac{21 \times 4}{3} = 28$ |