Question

convert each part of the ratio to percentage
1- 3: 1
2- 2:3:5
3- 1:4
4- 1:2:5​

Answer 1

Step-by-step explanation:

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1st part...

$1). \: \: \: \: 3 : 1 \\ total \: = 3 + 1 \\ = 4 \\ 3 = \frac{3}{4} \times 100 = 75\% \\ 1 = \frac{1}{4} \times 100 = 25\%$

2nd part...

$2). \: \: \: 2 : 3 : 5 \\ total = 2 + 3 + 5 \\ = 10 \\ 2 = \frac{2}{10} \times 100 = 20 \% \\ 3 = \frac{3}{10} \times 100 = 30\% \\ 5 = \frac{5}{10} \times 100 = 50\%$

3rd part ...

$3). \: 1 : 4 \\ total = 1 + 4 \\ = 5 \\ 1 = \frac{1}{5} \times 100 = 20\% \\ 4 = \frac{4}{5} \times 100 = 80\%$

4th part ...

$4). \: 1: 2 : 5 \\ total \: = 1 + 2 + 5 \\ = 8 \\ 1 = \frac{1}{8} \times 100 = 12.5\% \\ 2 = \frac{2}{8} \times 100 = 25\% \\ 5 = \frac{5}{8} \times 100 = 62.5\%$

hope it's helpful and understand to you............