the population of a town is 10000 . it increases annually at the rate of 20 % p . a . what will be its population after 2 years ?
"formula : ( after = 100 denominator ago = 100 numerator ) 10000 × 120 / 100 × 120 / 100 = 14400 b )"
add(10000, multiply(divide(multiply(10000, 20), const_100), 2))