James bought 2 bottles of lemonade and 1 bag of crisps for £1.40 . Jill bought 1 bottle of lemonade and 3 bags of crisps for £1.70 How much is a bottle of lemonade? How much is a bag of crisps?
Accepted Solution
A:
Hence
2L + C = 1.4
-2L - 6C = -3.4
Add (This will eliminate 'L' )