Toby goes on holiday to Geneva, Switzerland. In Geneva, Toby sees a watch costing 193.75 CHF (swiss france). In Manchester, an identical watch costs 145 pounds. Given that 1 pound= 1.55 CHF

Answer:Part a) In Geneva the watch is cheaperPart b) The watch in Geneva is [tex]\£20[/tex] cheaper than the same watch in ManchesterStep-by-step explanation:The question isa) In which city is the watch cheaper?b) By how much is it cheaper (in £)?Part a)Transform [tex]CHF\ to\ \£[/tex] in order to work with the same currency and make the comparisonIf [tex]\£1=1.55CHF[/tex][tex]193.75\ CHF=193.75(\frac{1}{1.55})=\£125[/tex]Now we can make the comparisons:In Geneva the watch costs [tex]\£125[/tex] and in Manchester it costs [tex]\£145[/tex][tex]\£125 < \£145[/tex]thereforeIn Geneva the watch is cheaperPart b) If we want to know by how much is cheaper, subtract from the expensive price the value of the cheaper price[tex]\£145-\£125=\£20[/tex] ThereforeThe watch in Geneva is [tex]\£20[/tex] cheaper than the same watch in Manchester