<span>In the Hobbit there is once or twice the Necromancer in the Mirkwood, which is an allusion to Sauron in the Hobbits Sequel, The Lord of the Rings.</span>
Both are correct. Example sentences below.
In three hours, we will arrive at our house.
In three more hours, we will arrive at our house.
When using "more", it implies that there was time that was previously passed.
One answer would be Bill Gates because his 1st business failed.
You must buy 8 packages because 35 divided by 5 is 7. But there is one left so you need another package. Therefore you need to buy 8 packages
I forgot my umbrella this morning. Consequently, i will get wet.
Correct