| Hallar el $10\,\%$ de los $2/5$ del $40\,\%$ de $6\,000$. | |
| $A)$ | $96$ |
| $B)$ | $48$ |
| $C)$ | $72$ |
| $D)$ | $4$ |
| $E)$ | $90$ |
Solución
| Realizando el análisis: | ||
| Recordar que: | ||
| $10\,\%=\dfrac{10}{100}$ | ||
| Entonces: | ||
| $\dfrac{10}{100} \times \dfrac{2}{5} \times\dfrac{40}{100}\times 6\,000$ | ||
| Simplificando ceros: | ||
| $\dfrac{1}{10} \times \dfrac{2}{5} \times\dfrac{4}{10}\times 6\,000$ | ||
| Simplicando ceros del $6\,000$ | ||
| $\dfrac{1}{1} \times \dfrac{2}{5} \times\dfrac{4}{1}\times 60$ | ||
| Efectuando: | ||
| $\dfrac{2\times 4 \times 60}{5}$ | ||
| Sacando quinta $60$ y $5$: | ||
| $\dfrac{2\times 4 \times 12}{1}$ | ||
| Efectuando: | ||
| $96$ | ||
| Respuesta: | ||
| La solución es la Alternativa A | ||