How much would I change 300 Japanese yuan for?

日元可兑多少钱？

A one-cent copper coin could be exchanged for three copper coins.

当时一分铜可兑三枚" 铜板" 。

And Cubans are rushing to buy goods as the country abolishes one of its two currencies, the convertible peso.

古巴人争相购买品，因为该国废除了两种货币之一的可兑货币——比索。

Currently all important products are priced in the convertible currency tied to the dollar.You're listening to the world news from the BBC.

目前所有重要的品都被标以与美元挂钩的可兑货币。这里是BBC新闻报道。

With the currency allowed to float within a range of HK$7.75-7.85 per US dollar, inflows have regularly tested the strong side of the band in recent years.

在1美元可兑7.75-7.85港币的浮动区间，来资本的流入对此波段中的高点形成考验。

In the market of Europe, in the French coin and in the Dutch coin, an ounce of fine gold exchanges for about fourteen ounces of fine silver.

在欧洲市场，以法国硬币和荷兰硬币计，一盎司纯金可兑约十四盎司纯银。