Respuesta :

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Answer:

6% of the racers did not ocmplete the marathon

Step-by-step explanation:

290 racers

272 completed the race

15 + 3 = 18 did not complete the race

[tex]\frac{272}{290}[/tex] = 0.94 = 94%

[tex]\frac{18}{290}[/tex] = 0.06 = 6%