Answer:
3/8
Step-by-step explanation:
3/4 of the 3/8 she had left = 9/32
The amount of cake eaten is (1-3/8) eaten at the party+ (9/32) she ate at lunch= 5/8+9/32= 29/32
The whole cake (1) from the eaten cake (29/32) is:
1-29/32= 3/32