1.

A contractor can finish a work in 8 days with certain number of men at work. If hehas 5 more men at work, the work can be completed in 7 days. How many men wereoriginally there?​

Answer»

ANSWER:

Let there be x men at the BEGINING LESS men, more days

∴ 15:9::x:(x−6) ⇒ 15(x−6)=9x

⇒ 6x=90 ⇒ x=15

Step-by-step EXPLANATION:

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