Ken grew 4/5 of an inch last year. sang grew 3/8 of an inch. who grew more and by how much?

Ken grew .425 of an inch more than sang because 4/5 is .8 and 3/8 is .375 what you do is you take those two numbers and subtract the smaller one from the bigger one and you get .425 and ken had the bigger growth. plz rate me brainliest

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table