a can complete a work in 18 days and b can do the same work in 10 days . if a after doing 3 days , leaves the work , find in how many days b will do the remaining work ?
"the required answer = ( 18 - 3 ) * 5 / 18 = 150 / 18 = 8 days answer is b"
add(multiply(18, const_2.0), divide(18, 3))