When you add up all of the items they bought, you get $20.75. You subtract the total of $20.75 from $25.00 and get $4.25 back in change.
which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?
1 usd = 1.0343 aud
1 aud = 0.9668 usd
sorry just need the points