Answer:Answer:
3.8 cents
Explanation:
6 Ib is equivalent to $7.50,
1 Ib is equivalent to $7.50/6 Ib = $ 1.25
0.03 Ib then should be = $ 1.25 * 0.03 Ib = 3.8 cents to 1 decimal place
so the customer could have been overcharged or undercharged by as much as 3.8 cents