a farmer has 21 pigs and 4 pins he wants an odd number of pigs in each pin how many pigs would be in each pin?
u cannot use fractions or decimals please help me this thing has been driving me crazy!!
2 Responses
William B
09 Feb 2010
billrussell42
09 Feb 2010
sum of 2 odd numbers is always even
sum of 2 even numbers is always even
so
sum of 4 odd numbers is always even, so no solution
Make 3 pens with 5, 7, and 9 pigs each, then put another big pen around all three pens