400
Kelly ate 40% of a pizza she made, how many slices of pizza did Kelly eat?
What is 2/5, first you make 40% a fraction (40/100). Next you reduce the fraction (10/25), because you divide 40 and 100 both by 4.Then, you reduce the fraction again, by dividing 10 and 25 by 5, which gives you a final answer of 2/5