Question

Rani distributed chocolates to her friends on her Birthday. If she gives 7 chocolates to each friend, one friend will get only 4 chocolates. Also, if she gives 4 chocolates, she will be left with 30 chocolates. How many friends does she have?

Answer 1

Hi,

there are 11 friends and 74 chacolates

Explanation:

Let's say c the number of chocolates

and n the number of friends

`c=7*(n-1)+4\\c=4*n+30\\So\ 7n-3=4n+30\\3n=33\\n=11\\c=4*11+30=74\\`