Respuesta :

10% of £36 = £3.60
So you do £36+£3.60
Then your answer is...
B. £39.60

Answer:

A. 40

Step-by-step explanation:

CP= x, SP= £36, sale= 10%

SP= CP- 10%= CP*0.9

x*0.9= £36

x= £36/0.9= £40