what is 35% of 90

35/100 = x/90 (Since you dont know what is of 90, the x is there)

Cross multiply

100x = 3150

Now divide by 100 on both sides

x = 31.5

And there's your answer! :)

Nice, saseflower....!!!

Thank you, CPhill! Proportions are my favorite thing to solve in math :)