<em><u>62.5% in 2 equivalent forms can be 0.625 and also 62.5/100.</u></em> For getting a decimal, move the decimal 2 places to the left. For getting a fraction, just put the percent out of 100.
You would divide 50 by 3.14(pi). <span>the formula for getting area is diameter times pi so you do the reverse. </span> <span>you end up getting 15.9235669 which rounds up to 16. </span> <span>hope this helps i think this is right