7 % of subtotal amount $ 84.52 is left as tip
Solution:
Given that James goes out to eat
The subtotal of his food is $ 84.52
He left a $ 6 tip
To find: percent of tip left
Let "x" be the percent of tip
x percent of $ 84.52 is equal to $ 6
Therefore, we frame a equation as:

Solve the above expression for x

Thus 7 % of subtotal amount $ 84.52 is left as tip