Question

(3$\frac{4}{5}$ -2,8) * 6$\frac{1}{2}$ =

Answer 1

$(3 \frac{4}{5} - 2.8) \times 6 \frac{1}{2} = (3.8 - 2.8) \times 6.5 = \\ = 1 \times 6.5 = 6.5$