Answer:
Firstly, we have to transform CHF to in order to work with the same currency and make the comparisson:
If
Then:
Now we can make the comparisons:
a) In Geneva the watch costs and in Manchester it costs
.
According to this:
<h2>In Geneva the watch is cheaper</h2>b) If we want to know by how much is cheaper, we have to substract from the expensive price the value of the cheaper price:
Therefore:
<h2>The watch in Geneva is