Answer:
The total number of cookies are 30 .
Explanation:
Let us assume that the total number of cookies are x .
As given in the question be as follow.
Jake ate
of cookies at the Valentine's day party.
If he ate 5 cookies .
Equation becomes

Simplify the above
x = 5 Ă— 6
x = 30
Therefore the total number of cookies are 30 .