This is a simple algebraic equation where we are asked to solThe percentage on the right side of the equation can be converted into a decimal by dividing the number in front of the percent sign by 100. This gives us 0.11.
So, the equation becomes $\frac {x}{78}=0.11$.
To solve for x, we multiply both sides of the equation by 78. This gives us x = 78 * 0.11.
【Answer】: x = 8.58