chad buys peanuts in 2-pound bags. he packages them into bags that that 5/6 pound of peanuts. how many 2-pound bags of peanut should chad buy so that he can fill the 5/6-pound bags without having any peanuts left over?
Assuming that he doesn't have a few snacks then he would need to buy 5 bags of Peanuts. But how many bags does he wish to fill? The answer is extremely variable if that key element is forgotten.