Respuesta :

Answer:

10 days delay

Step-by-step explanation:

in ten day 12.5% work done by 80 peoples

then 87.5% work hsas to be done by 70 peoples

the days consoder as 'x'

then( 70/x)*100 = 87.5

1/x = 87.5/7000

x =7000/87.5

x =80

so 70 peoples take 80 days to finish the work

so 10 days delay

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