20 --- 100 |
x 100 | = | 0.2 x 100 | = | 20 |
55 --- 100 |
x 100 | = | 0.55 x 100 | = | 55 |
36 --- 100 |
x 176 | = | 0.36 x 176 | = | 63.36 |
7 --- 100 |
x 1750 | = | 0.07 x 1750 | = | 122.50 |
NewPrice | = | OldPrice | + |
7 --- 100 |
x OldPrice | = |
100 --- 100 |
x OldPrice | + |
7 --- 100 |
x OldPrice | = |
107 --- x OldPrice 100 |
= | 1.07 x OldPrice |
NewPrice | = | OldPrice | - |
9 --- 100 |
x OldPrice | = |
100 --- 100 |
x OldPrice | - |
9 --- 100 |
x OldPrice | = |
91 --- x OldPrice 100 |
= | 0.91 x OldPrice | = | 0.91 x 1200 | = | 1092 |
x > 0 | means: x is larger than '0' |
x ≥ 0 | means: x is larger or equal to '0' |
x < 0 | means: x is smaller than '0' |
x ≥ 0 | means: x is larger or equal to '0' |
x ≤ 0 | means: x is smaller or equal to '0' |
-5 < x < 5 | means: x is smaller than '5', but larger than '-5' |
a ∧ b | means: a AND b |
a ∨ b | means: a OR b |
∀ x | means: for all x (in some set) |
∃ x | means: there exists some x (in some set) |