Answer:
The change he will receive is:
$ 5.44
Explanation:
It is given that:
A mechanic buys $14.56 worth of parts from a supplier.
Also he pays a bill of : $ 20
This means that the change he will receive is:
= Amount of Bill he paid - Amount of purchase he made.
= $ (20-14.56)
= $ 5.44
Hence, the answer is: $ 5.44