Answer:
[tex] \frac{4}{5} - \frac{3}{10} = 0.8 - 0.3 = 0.5 = \frac{5}{10} = \frac{280}{x} \\ x = \frac{10 \times 280}{5} = 560[/tex]
Hello,
Answer is 560
Please check the answer for explanation.
✍️ By Benjemin ☺️
