What is Arithmetic and percentages
Q1 . Define percentage. When a number is expressed as a fraction of 100 i.e, per 100 it is called percentage . The word percentage is derived from the Latin word per centum mean out of hundred. It's symbol is % .For example , 72% ( read as seventy two percent) =72/100,50%,50/100,100%=100/100. Activity No 1: A . Express the following percentages, as fraction in the lowest from . (I) 72%. (II) 92%. (III) 15%. (IV) 2 1/2% I) 72 %. Solution : 72%= 72×1/100=72/100=36/50=18/25 Ii) 92% solution ; 92%= 92×1/100=92/100=46/50=23/25. III) 15%. ...