Respuesta :

3:8=3x:8x

So 3x+8x=77

11x=77

x=7

3x=21, 8x=65

21:56

£21 and £56

sum the parts of the ratio 3 + 8 = 11

divide £77 by 11 to find 1 part of the ratio

[tex]\frac{77}{11}[/tex] = £7 ← 1 part of the ratio

3 parts = 3 × 7 = £21

8 parts = 8 × 7 = £56


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