Answer:
Jailyn and her 3 friends will each receive 1/8 of the original pizza.
Explanation:
Given that Jailyn has ½ of a pizza left over and she is sharing that with 3 friends, it means that the left over will be divided in 4 pieces and you have to divide 1/2 by 4 to find the fraction of the original pizza that Jailyn and her 3 friends will each receive:
 ÷4=
÷4= 
 ÷
÷
 =
 = 
 =
 = 

According to this, the answer is that Jailyn and her 3 friends will each receive 1/8 of the original pizza.