Question

A customer member owe 16.50 and pays $20 in cash the change due is 3.50 provide the amount owe using the smallest number of bills and coins possible what is the answer.

Answer 1

The smallest bills and coins means we use the maximum available bill/coin till the amount gets to 0. So, the smallest bills and coin for a change of $3.50 are: one $2 bill, one $1 bill and one 50 cent coin.

The given parameters are:

$Debt = \ 16.50$

$Cash =\ 20$

$Change = \ 3.50$

To represent the change using the smallest bills and coins, we have:

$Change = \ 2 + \ 1 + \ 0.50$

This means that the smallest bill and coin the customer can get is one $2 bill, one $1 bill and one 50 cent coin.

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