how many unique positive odd integers less than 110 are equal to the product of a positive multiple of 5 and an odd number ?
"the question basically asks how many positive odd integers less than 110 are odd multiples of 5 so we have 5 , 15,25 , 35,45 , . . and 105 = 11 ans c"
divide(divide(110, 5), const_2)