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?

Answer 1

make a ratio

40 calories = ?

100 % 60% "60 percent because sugar contains 40 percent less as it only contains 100 %- 40 %"

60%(40 calories /100%) = ?

? = 24 calories