8. A contractor who had a work force of 630 persons undertook to complete a portion of a stadium in 14
months. He was asked to complete the job in 9 months. How many extra persons had he to employ?
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Answer:
persons - 630
months - 14
he asked to complete the job in months -9
Step-by-step explanation:
A = 630/x = 9/14
x= 630*14/9
x=. 980
extra person employed = 980-360
=. 620
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