There are 0 eight's in three, but there are two and two third threes in eight. Hope this helps :)
One Half.
91
any three numbers as long as there is only one 3.(Or you could have two threes in 6 numbers,three in 9 etc.)
Two
Two sixth are equivalent to one third.
Two and one third hours is equivalent to 160 minutes.
There are two sixths in one third. 1/6 + 1/6 = 1/3 One third = two sixths
One and a half.
One third divided by two and one third = 1/7
One third of two is 0.66666666666666666666667
Seventeen, with a remainder.