1) 100% = x 43% = 128 x = 100% ×128÷43% =≈ 297,67 2) 3000 ×12% = 360 руб
1) 43% = 128 100 % = x x = 100% ×128÷43% =≈ 297,67 2) 3000 ×12% = 360 руб