4 over 5 is a fraction. So.......that would be this fraction ------> *4/5.*
4/5 is a not a *whole* number. it's 80% to a whole number. So if you convert it into a decimal form, you would get 0.8.
Hope this helps! ~~~~~Mathnerdz
X=line straight across y=vertical line
This is what we have:
what we want is for x to "stand alone": for this, we need to get rid of this 5. we can do this by multiplying both sides of the equation by 5:
if we both divide and mupliply the first numebr by 5, it just means 1, so we can skip it: