W Breck, Rule of three

W Breck, Rule of three Rule OF THREE. 1st That must be the third Number which asketh the Question. 2d First and third number must be of one name or so reduced. 3dly The middle number if of several Denominations must be reduced into the lowest mentioned of lower if occasion require 4thly Multiply second and third numbers together and divide that product by the first number & the Quotient is the answer to the Question in the name you left your middle number in-- June the 20 1786 Writer W Breck Date written 1786 Paper 31cm x 20cm; 12 1/8 in 8 in, ivory unlined Pen Book Penmanship Style Collection Courtesy Dartmouth College Library File name W Breck 17xx-001-001-001