Percents & formulas Flashcards
0
Q
New percent
A
New value/ original value
1
Q
Percent change
A
Change in value/ original value
2
Q
Compound interest
A
= P(1+ (r/n))^nt
3
Q
Probability
A
# desired or successful outcomes/ Total # of possible outcomes
4
Q
Combinatorics
A
2 rules:
The number if ways of arranging n distinct objects ( if no restrictions) is n!.
If m members of a group are identical, divide the total number if arrangements by m!
