2 1 5 7 3 July 8, 2019 16 32 64 128 2 1 5 7 3 4 2 1 5 3 7 8 2 3 1 5 7 3x 1 2 5 6 7 3 2 5 1 7 x 3 3 2 5 1 3 7 as a fraction 1 5 2 7 3 9 1 2 x 5 3 =- 7 4 2 3y 5 1 3y 7 9y 1 2 5 times 3 7 2 3x 1 5 7 10 2 1 5 divided by 3 7 1 2 3x 5 )= 7 1 2 3 5 7 study method 1 2 3 5 7 sequence