Вычислите: $$30\cdot(\frac{4}{5}+\frac{2}{3})$$

$$30\cdot(\frac{4}{5}+\frac{2}{3}) = 30\cdot(\frac{4\cdot3}{5\cdot3}+\frac{2\cdot5}{3\cdot5}) = 30\cdot(\frac{12}{15}+\frac{10}{15}) = 30\cdot\frac{22}{15} = 2\cdot22 = 44$$

Ответ: 44