Question

8) (0,4 + 0,1) x (2,801 – b) = 1,3505

Answer 1

Respuesta:

$(0.4 + 0.1) \times (2.801 - b) = 1.3505 \\ (0.5)(2.801 - b) = 1.3505 \\ (2.801 - b) = \frac{1.3505}{0.5} \\ 2.801 -b = 2.701 \\ - b = 2.701 - 2.801 \\ - b = - 0.1\\b = 0.1$