If you have a graphing calculator one way to know you are right is put the left side in Y1 and the right side in Y2 then hit 2nd trace and intersection then find the intersection and the X value is your answer. If you don't have a graphing calculator then I'm sorry
Answer:
B
Step-by-step explanation:
16 only goes into 20 once
Answer:
The difference in the cost of book between Portugal and England is £2.37.
Step-by-step explanation:
Given,
Cost of book in Portugal = €34.95
Cost of book in England =£27.50
We need to find the difference in pounds (£) between for cost of the book in Portugal and England.
Solution,
Firstly we will find out the cost of book bought in Portugal in pounds.
We have also given that;
£1 = €1.17
Here we use the unitary method to find the cost in pounds.
Since €1.17 =£1

also given that the cost of book in England is £27.50.
Now we will find the difference, which is equal to cost of book in England minus cost of book in Portugal.
Difference = 
Hence The difference in the cost of book between Portugal and England is £2.37.