On the foreign exchange one can trade $3$ USD $($US dollars$)$ for $2\mathrm{.}25$ GBP $($British Pound Sterling$).$ how many usd one need to recive $3\mathrm{.}75$ gbp in tradeOn the foreign exchange one can trade $3$ USD $($US dollars$)$ for $2\mathrm{.}25$ GBP $($British Pound Sterling$).$ how many usd one need to recive $3\mathrm{.}75$ gbp in trade