5 1/2 can be expressed as,

If a fraction x/y is divided by a/b another fraction,

So, 11/2 divided by 3/6 is

Therefore, 5 1/2 divided by 3/6 is 11.
Money borrowed by Anthony from his friend for a sandwich and drink at lunch = $6.50
Money borrowed by Anthony from his sister to pay a library fine = $3.75
Hence, the equation to express Anthony's total debt that day will be =
Let T be the total debt , so the equations becomes,
6.50 + 3.75 = T
4x + 2
Eg 4 times 2 =8 +2 =10
The answer will be 1100283738292