Answer:
f^-1(x)=x/3+2/3
Step-by-step explanation:
27
x=4
4x+2(x+6)=36
distribute the 2
4x+2x+12=36
combine like variables
6x+12=36
subtract 12
6x=24
divide by 6
Answer:900
60% of 900 is 540
62