question_answer

Madhavi eats one full bar of chocolate. Then she divides another one into 5 equal parts and eats 3 of those parts. The total number of chocolates that she has eaten is

A)  \[a+0=a=0+a\]                               

B)  \[a\times 1=a=1\times a\]

C)  \[a+(-a)=0=(-a)+a\]                       

D)  \[a\times \frac{1}{a}=1=\frac{1}{a}\times a\]