Question

Express each of the following ratios as a per cent:

(i) 10:120
​

Answer 1

Answer:

Fractions ;

A fraction consists of two numbers and a fraction bar:

10/120

The number above the bar is the numerator: 10

The number below the bar is the denominator: 120

Divide the numerator by the denominator to get fraction's value:

Val = 10 ÷ 120

Percentage ;

'Percent (%)' means 'out of one hundred':

p% = p 'out of one hundred',

p% = p/100 = p ÷ 100.

Solution

Divide the numerator by the denominator to get fraction's value:

10/120 =

10 ÷ 120 ≈

0.083333333333333

/ 0.083%