18 is 240% of what? basic percent equation

18 = (240/100) x what;
what = 18 x (100/240);
what = 1800/240;
what = 7.5;

Set up an equation: 18=240%•X. Get the unknown by itself: 18/2.4=X. 7.5=X. 18 is 240% of 7.5 :)

The main function of xylem tissue is to transport water and soluble minerals and nutrients from the roots of the plants to different parts of the plant. The xylem tissue also replaces water which is lost during transpiration and photosynthesis. It makes up the wooden part in the trees.