Question

Convert the following ratios into percentages.
a. 3:7
b. 1:9
c. 12:13
d. 3:5:2​

Answer 1

Answer:

a)30%:70%

b)10%:90%

d)30%:50%:20%

Answer 2

$a. \: \: \frac{3}{7} \times 100 = \frac{300}{7} = 42.857 = 42.86\% \\ b. \: \: \frac{1}{9} \times 100 = \frac{100}{9} = 11.11 = 11.1\% \\c . \: \: \frac{12}{13} \times 100 = \frac{1200}{13} = 92.307 = 92.31\%$