Answer:
Jessica had 32 candies at the beginning.
Step-by-step explanation:
Let the number of candies Jessica had at the beginning be
.
Candies gives to Judy =
.
Now, candies left with Jessica is
.
Candies given to Reggie is
of
.
∴ Candies with Reggie is
.
Candies left with Jessica after giving to Reggie =
.
Now, Jessica lost 75% of what she had left. So, 75% of
.
∴ Candies lost = 
Now, candies left with Jessica =
.
As per question,
Candies left with Jessica at last is 4. So,


Hence, Jessica had 32 candies at the beginning.