Answer:
Step-by-step explanation:
The answer should be the first one
A) (2, -4)
Answer:
Part a) In Geneva the watch is cheaper
Part b) The watch in Geneva is
cheaper than the same watch in Manchester
Step-by-step explanation:
<u><em>The question is</em></u>
a) In which city is the watch cheaper?
b) By how much is it cheaper (in £)?
Part a)
Transform
in order to work with the same currency and make the comparison
If 

Now we can make the comparisons:
In Geneva the watch costs
and
in Manchester it costs


therefore
In Geneva the watch is cheaper
Part b)
If we want to know by how much is cheaper, subtract from the expensive price the value of the cheaper price
Therefore
The watch in Geneva is
cheaper than the same watch in Manchester
Answer:
I think 13
Step-by-step explanation:
Answer:
Each month he earn $1,500 a month because $4,500 divided by 3 is $1,500. So in 5 months he will make $7,500. On the 7th month he will have $10,500.
Answer:
71, 72, 73
Step-by-step explanation:
So we want to find three consecutive integers that equal 216.
Let the first integer be n.
Then the second integer is n+1, and the third integer is n+2.
Thus:

Combine like terms:

Subtract 3 from both sides:

Divide 3 from both sides:

So, the first term is 71.
And the other two is 72 and 73.
And we are done :)