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Joint Variation

if 8 workers ...

Question

if 8 workers can build a road in 6 days how many days will three workers take to build the same road

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Solution

Dear Student.

$G i v e n 8 w o r k e r s c a n b u i l d a r o a d i n 6 d a y s . S o 1 w o r k e r c a n b u i l d t h e r o a d i n 8 \times 6 = 48 d a y s . S o n u m b e r o f d a y s r e q u i r e d b y 3 w o r k e r s t o b u i l d t h e r o a d = \frac{48}{3} = 16 d a y s$

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