Brian is correct. Because when you add or subtract fractions with common denominators, it follows the rule of addition. The denominator stays the same and you simply need to get the sum of the numerators. It is pretty straightforward. For example:
This is a maybe. Im not sure if this is right but its what I got.
Hello,
1) p∧(q∨¬p)=(p∧q)∨(p∧¬p)=p∧q proof:
2)
p|q|¬p|q∨¬p|p∧(q∨¬p)|p∧q
0|0|..1|.......1|..............0|0
0|1|..1|.......1|..............0|0
1|0|..0|.......0|..............0|0
1|1|..0|.......1|..............1|1
6+7+8 6+8+7 7+6+8 8+7+6 7+8+6 and 8+6+7
Answer:
120 different ways
The total number of ways to do this is the product because of the fundamental counting principle[1]. So 5x4x3x2x1 = 5! (read as “5 factorial”[2]) = 120 different ways to line up those 5 people. Five people lining up essentially means 5 people sorting into 5 positions.
