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#1. To keep the ducks from getting angry, you must arrange them so that there are 2 ducks in front of 2 other ducks, 2 ducks behind 2 other ducks, and 2 ducks beside 2 other ducks. But be sure not to use any more ducks than absolutely necessary! How are they arranged?
#2. To keep the ducks happy, each of them must get 5 food pellets. If there is a 5X4 duck array and a remainder of 3, how many pellets will you need?
#3. To keep ducks from getting angry while walking, they must walk with two behind one, one in between two and one in front of two. How will they walk?
#4 If a Mallard and a Muscovy duck have the same amount of food pellets, how many food pellets would the Mallard have to give the Muscovy duck in order for the Muscovy duck to have 10 more food pellets than the Mallard?
#5 A Mallard has exactly 6 U.S. coins totaling $1.15. When asked, he can't make exact change for $1.00. What six coins does he have?