If people had a complete understanding of how the nervous system works, would we completely understand everything about our minds?

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form

because if the tool that you are using is not balanced it there would be false mass.

that the claims meet official rules.

don't misinterpret the claims