Question #30943
1 Answer
Dec 10, 2016
Explanation:
color(red)"As a fraction" A ratio may be expressed in 2 ways.
13:25" or as a fraction " 13/25rArr13:25=13/25
color(red)"As a decimal fraction" Multiply numerator/denominator of the fraction by 4. This will give a fraction with a denominator of 100 and it should be ' easier' to divide by 100 rather than 25.
rArr13/25=(13xx4)/(25xx4)=52/100=0.52
color(red)"As a percentage" per cent means ' out of one hundred'
"Now " 13/25=52/100=52%