Some of the skills tested in the study seem more like arithmetics rather than financial skills: - "About a quarter could not work out how much change they should receive from a shop..." - "About one in three adults struggled to work out the price they had to pay.. per litre or per kilo" - "About half could not read a simple financial line graph" - "Most struggled to calculate discounts involving more complex calculat…
Especially when you consider that most supermarket labels will also include the "price per unit weight" or "price per unit volume" on the shelf with a smaller font, it becomes trivially easy to compare which bottle of soap is going to get you the most for your money. Or maybe you neglect to do this (simply opting for the container that looks the most appealing rather than optimizing for the amount of liquid per dolla…
Indeed, for the poor, it doesn't take too many of these $1.80 differences to add up to catastrophe.