LOTR riddle for Homework?

Five hobbits and five orcs are on the bank of a river. They all want to get to the other side, but their boat will carry only three creatures at a time. Moreover, if at any time the orcs outnumber the hobbits, the orcs will attack the hobbits. How can all the creatures get across the river without endangering the hobbits? (one creature has to come back on the boat to pick up creatures)
 
Send one orc and one hobbit at the same time then always send the hobbit back to get the other one orc and other hobbit. keep doing this and they r never outnumbered.
 
ah this is a tough one... i remember when i got something similar (humans and cannibals... cannibals would eat the humans)

i won't tell you the answer... but a hint: its okay to take 2 people back with you on the boat to get a third

i will also say its ALOT easier to do with something like other people (10 people is kinda hard to find) so use something like M&Ms or skittles of the same color. (doing it in your head or on paper can get confusing, just make sure you write the steps down when you are doing it.
 
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