## Exam-Style Question on Ratio## A mathematics exam-style question with a worked solution that can be revealed gradually |

Question id: 279. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.

The points A, B C and D lie in order on a straight line.

$$AB:BD = 1:4$$ $$AC:CD = 9:11$$Using the information above calculate the three part ratio:

$$AB:BC:CD$$
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