4y 5 3y 10 July 8, 2019 16 32 64 128 2x 4y 5 4x 3y 10 2x 4y 5 6x 3y 10 3y 2 4y 5 )= 10 5y 8 3y 4y 5 =- 10 17 3x 8 4y 5 7x 12 3y 10 5-y/4 = 3/7