Question

express the following ratios as percentage 1) 1:2 2) 7:10 3) 21:25 4) 5:12​

Answer 1

Answer:

We will follow the following steps for converting a fraction into a percentage:

Step I: Obtain the fraction. Let the fraction is x/y.

Step II: Multiply the fraction by 100 and write the percentage (%) symbol to find the required percent. Therefore, x/y = (x/y × 100) %

1. Convert each of the following fractions as percentage:

(i) 3/25 = (3/25 × 100) % = 12 %

(iii) 4/5 = (4/5 × 100) % = 80 %

(iii) 3/4 = (3/4 × 100) % = 75 %

(iv) 2/3 = (2/3 × 100) % = (200/3) % = 66 2/3 %

(v) 1 = (1 × 100) % = 100 %

Note: 100 % = 1

Answer 2

Answer :-

1)1:2=50%

2)7:10=70%

3)21:25=0.84%

4)5:12=41.66%

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