SOLUTION: Which is the better value- 50ml of perfume which is £40 but 20% off Or 80ml of perfume that costs £55. Explain why.

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Question 911525: Which is the better value-
50ml of perfume which is £40 but 20% off
Or
80ml of perfume that costs £55.
Explain why.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the cost per ml to see which is the better value.
First one,
C%5B1%5D=%28%2840%29%280.80%29%29%2F50=0.5818
C%5B2%5D=80%2F55=0.6875
The first one is the better value.