5 7 3 21 July 8, 2019 16 32 64 128 5 7 3 21 as a fraction 5 7 add 3 21 5 3 7 8 21 5 8x 7 04x 3 21 5 7 х 21 2 3 х 9 5 8х+7 04 х=3 21 5 7 plus 3 21 5 7 plus 3 21 as a fraction 3 5 7 21st term 1 3 5 7 21 5 3 9 7 21 5 3 9 7 21 pattern X 1 5 7 11 x 3 21 210 7 3 5 5 3 7 addlestone road merrylands nsw 2160