Question
40 laborers were hired to finish a construction job in
50 days. After 35 days of work, only 70% of the job was done. How many additional laborers are needed to finish the remaining work in the remaining time?Solution
Let 'x' more laborers are hired. So, according to question: (40 × 35)/0.70 = {(40 + x) × 15}/0.30 40 + x = 93.33 ≈ 94 x = 54 So, 54 more laborers need to be hired to complete the work in time.
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