Question $2$

Given the following pair wise exchange rates, estimate the cross$-$rate of pounds per euro. $$1\mathrm{.}8410/$; $$1\mathrm{.}2223/$euro

$1\mathrm{.}000/$euro

$1\mathrm{.}5062/$euro

$0\mathrm{.}6639/$euro

euro $\frac{1\mathrm{.}5062}{}$