Question: There are 15 animals in the barn. Some are ducks and some are pigs. There are 46 legs in all. How many of each animal are there?
I know the answer ( 7 ducks and 8 pigs) but I do not understand the way my instructor want me to do it.
2d + 4p = 46
d + p = 15
There are 7 legs of... View the full answer