£54*.1=?
£54-?= ??
I don't know what £ is
The answer would be 2. This is because inverse means opposite, and since f(x)=-2, then that means the inverse would be 2.
Let's take the difference between the old and new (70 - 60) to get 10 and then divide this by the old (70) amount...10/70 = .142857 convert to a percent by moving the decimal 2 spaces to the right... 14.29 %
P = 3n + 30
p = 75
75 = 3n + 30
45 = 3n
n = 15
A customers earns 15 additional points on purchasing one shirt.
