How could the barter system still be used? a) you trade an apple for a banana at school. b) you sell your old skateboard for $25. c) you give someone your old cowboy boots. d) you work for your neighbor and she gives you $10.

The answer would be A.) you trade an apple for a banana at school. Because the barter system is when you trade something for something else.

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.