Excellent Interest Rules

For fintling tho interest br any principal for any number i.( ,' ?,'the mswer in each case lv:i'r cents, separate the two right hrmü figures to expresa i! in dollars and oents: Four por cont. - Multiply tho prin i 1 by the number of days to run : tho right hand figures from product, divide by i Fivo por cent - Multiply by nunibor of days and divido by sevonty-two, Bix per cent. - Multiply by uumber of dayg: separate right band Uguro, and divido by six. Eight por oont. -MuUiply by numbor of days and divido by forty-two. Nino per cont. Multiply by number of days: Beparai ■ right huud figure, and divide by four. Ten by number of days and di --i ! Twolve p ir cent. - Multiply by number of days; right Laua figure, and divide i Fifteen per c nt. - MuUiply by nnmber of days and divido by twenty-fonr. Tveentj nt. -Multiply by number of d ly , . cd divide by eigh;