Answer: See below
Explanation:
4 parts of the whole are shaded, and there are a total of 10 parts
So the fraction is: 4/10
Simplifying by dividing both the numerator and denominator by 2 would give 2/5
Decimal: 4 divided by 10 is 0.4
Percentage: Decimal * 100 = 0.4 * 100 = 40%