Question

By what number should we multiply -2/3 to get 4/5?​

Answer 1

Step-by-step explanation:

let the number be X

$- \frac{2}{3} \times x = \frac{4}{5} \\ \frac{ - 2x}{3} = \frac{4}{5} \\ - 10x = 12 \\ x = \frac{12}{ - 10} = \frac{6}{ - 5}$