Respuesta :

Dinh read 20/25 pages, simplified by dividing by common factors this equals 4/5.
Because percentages are measured out of 100 divide this number by 5 (the denominator) and you are left with 20. Then divide by 4 (the numerator) and you are left with 80.
Therefore, the percentage of assigned pages read equals 80%.

Answer: Sample Response:

The ratio would be 20/25. To make the denominator 100, multiply by 4. 20 multiplied by 4 is 80. So the new ratio is 80/100 and the answer is 80%.

Step-by-step explanation: