Question

Convert each part of the ratio into percentage:

(a) 2:3:5

(b) 3:7​

Answer 1

a. 2:3:5

sol)

Ratio 2:3:5

Let x be common ratio

Parts : 2x , 3x , 5x

$\% \: of \: 1st \: part \: = \frac{2x}{10x} \times 100 = 20\%$

$\% \: of \: 2nd \: part \: = \frac{3x}{10x} \times 100 = 30\%$

$\% \: of \: 3rd \: part \: = \frac{5x}{10x} \times 100 = 50\%$

20 %,30%,50%

b. 3:7

sol)

Total part =3+1 =4

$therefore \: \: fractional \: part = \frac{3}{4} : \frac{1}{4}$

$\%of \: parts \: = \frac{3}{4} \times 100: \frac{1}{4} \times 100$

$\% \: of \: parts \: = 75\% :25\%$

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Answer 2

Answer:

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