Sugar free gum contains 40% less calories than regular gum. if a piece of regular gum contains 40 calories, how many calories does a piece of sugar free gum contain?
So sugar-free gum contains
According to the given, sugar-free gum has 40% less calories than regular gum. We can take this to mean that sugar free gum has 60% of the calories of regular gum.
To find out the answer to the problem, all we have to do is multiply the number of calories of regular gum by 60% or 0.60.