Question

express each of the following ratios as per cents
(i) 1:4
(ii) 11:20
(iii) 21:40
please answer and give explanation ​

Answer 1

Answer:

1) 25%

2 ) 55%

3) 52.5% first you make the ratio in fraction and divide and multiply by 100

Answer 2

Step-by-step explanation:

$\frac{1}{4} \times 100 = 25\% \\ \frac{11}{20} \times 100 = 11 \times 5 = 55\% \\ \frac{21}{40} \times 100 = \frac{210}{4} = 52.5\%$

Hope you understand