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

cheaper than the same watch in Manchester.</h2>
4:3 because there's 4 a's and 3 b's.
Let r be the red marble, b the blue marble, g the green marble.
possible outcomes={r,r,b,b,b,b,b,b,b,g,g,g,g,g,g}
total=15
2/15=.133 is the probability
No because Edward can do 26 push-ups per minute while Micah can only do 25 push-ups per minute