Answer:
16% of x = 4 or 0.16x = 4
Step-by-step explanation:
Let the amount of the restaurant bill is $x.
Now we know Trevor leaves 16% of the bill as a tip
Therefore, amount of tip will be 16% of x
this amount is $4.
So equation for this situation will be
16% of x = 4 or 0.16x = 4