Race along
Algebra
Level
2
In a race of 600m A can defeat B by 60m. In a race of 500m B can defeat C by 50m. By how many metres will A beat C in a race of 400 m?
If your answer is 100m write it as 100
The answer is 76.
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1 solution
let a b c be the speeds of A,B,C respectively.then b =0.9a &c=0.81a, Hence in400 m race C will cover 324 m hence lag behind A by 76 m