23% can be written as 0.23.
Multiply any number by 0.23 to get 23% of it.
Fifteen minus the quotient of one point 5 divided by a number
If you meant to write , then using a calculator in radian mode would show
Rounding to the nearest hundredth gets us
X / 22 = 4 / 3 ;
x = ( 22 * 3 ) / 4 ;
x = 66 / 4 ;
x = 16,5 ;
P = 2*22 + 2*16,5 ;
P = 44 + 33 ;
P = 77 .