How do you turn 6 8ths into a percent?

Two metallic wires A and B are connected in parallel combinationWire A has length 'l' and radius 'r'Wire B has length '2l' and radius '2r'Commute the ratio of total resistance of parallel combination? Must a hectare measure 100 meters on each side? What is the volume of a sphere with the radius of 4in? What is 853 rounded to the nearest ten? How can you get 5 using only four 4s simply with addition subtraction and multiplication and division? What is the quotient 428 divided by 7? 210 cm equals how many feet? What probability cannot happen? Is 1cm larger than 0.5cm? What is 217 divisible by? How do you write -39600 in scientific notation? What is 180 of a circle? What is the roman numeral for 7? What is better a 10 inch subwoofer or a 12 inch subwoofer? Absolute Inequality 3 plus 4 absolute value of 3x plus 7 is less than or equal to -89? What is the Now 84 Tracklist? How is 3.246 changed into a common fraction? What do you mean by variables exponent in the degree of term? Who is bigger dividend or divisor? Eight inches is what fraction of a foot?