
Tiffany G. answered 03/19/19
Math Teacher with 8 Years of Experience in Grades 5-8
Write "35 out of 40" as a fraction. 35/40. Then divide 35 by 40 using long division. The way you can remember how to set up a fraction in a long division problem is "top in, bottom out."
35| 40
Then, do the long division. It will give you a decimal. To change a decimal to a percent, move the decimal point two times to the right.