Hibaloutfe1 Hibaloutfe1
  • 18-11-2018
  • Mathematics
contestada

what is £77 in the ratio of 3:8

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DaveedSaysHI DaveedSaysHI
  • 18-11-2018

3:8=3x:8x

So 3x+8x=77

11x=77

x=7

3x=21, 8x=65

21:56

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jimrgrant1 jimrgrant1
  • 18-11-2018

£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


Answer Link

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