Answer:
$5.99
Explanation:
In this problem, Doug paid the following amount for the dinner:
He also left a 15% tip.
Here we want to calculate what is the amount correspondant to the tip.
In order to find this value, we have to calculate the 15% of the value of the dinner, therefore we want to find
the 15% of 39.95$
The percentage (15%) can be rewritten as fraction:
Therefore, the amount of the tip is
And substituting p, we find:
So, the tip is $5.99.