I was trying to solve this problem using the counting method. there are 4 couples so total 8 people We need a 3 member committee where none of the 3 are a couple SO 1st person can be chosen in 8 ways 2nd person can be chosen in 8-2 = 6 ways and the 3rd person can be chosen in 8-2-2 = 4 ways But my ...

is there an easy way to convert feet to miles? it seems that multiplying by 5280 is a pretty annoying calculation and it seems that rounding numbers here would not get you to the right answer since the values are so close