Step-by-step explanation:
[tex]4x + x = 2.5 \\ \\ \therefore \: 5x = 2.5 \\ \\ \therefore \: x = \frac{2.5}{5} = 0.5 \\ \\ \therefore \: 4x = 4 \times 0.5 = 2[/tex]
Hence, 2.50 in the ratio 4 : 1 can be divided as 2 and 0.5
