The one that look exactly the same it the third one
Answer:
Sweets are sold loose, or pre-packed in 120g bags.
The 120 g bags are £1.49 each.
The loose sweets are £0.89 for 100g.
By calculating the price per gram, determine which is better value. Show your working.
First of all you have to make them equal to each other. What I mean is the following
3x+20=2x+40
Then you should just solve for x
Each time the previous number is multiplied by 2
I would just divide 400 and 10 and then try to come up with the salary
