1600=1156*(1-P\100)^2- помогите решить

1156*(1 - p/100)^2 = 1600(1 - p/100)^2 = 1600/1156(1 - p/100)^2  = 400/289 (1 - p/100)^2 = (20/17)^2 (1 - p/100)^2 - (20/17)^2 = 0 (1 - p/100 - 20/17)(1 - p/100 + 20/17) = 0#11 - p/100 - 20/17 = 0- p/100 - 20/17 + 17/17 = 0 - p/100 - 3/17 = 0 - p/100 = 3/17p/100 = - 3/17p = - 300/17p = - 17 целых 11/17#21 - p/100 + 20/17 = 0 - p/100 + 37/17 = 0 - p/100 = - 37/17p/100 = 37/17p = 37/17 * 100p = 3700/17 p = 217 целых 11/17Ответ- 300/173700/17