4x 10 2x 15 July 8, 2019 16 32 64 128 4x 10 2x 1 9x 15 2x 10 4x 15 85 2x 10 4x 15 67 4x 1 15 2x 10 4x 5 2x 15 3 10 2x 15y =- 10 4x 5y =- 30
