Answer: 4 cakes left in all.
Step-by-step explanation:
Given: Cakes left on first day= [tex]2\frac{3}{4}=\frac{11}{4}[/tex]
Cakes left on second day =[tex]1\frac{1}{4}=\frac{5}{4}[/tex]
The number of cakes left in all=[tex]\frac{11}{4}+\frac{5}{4}[/tex]
⇒The number of cakes left in all=[tex]\frac{11+5}{4}=\frac{16}{4}[/tex]
Therefore, The number of cakes left in all=4