Math, asked by maheshwaritechboy, 9 months ago

Q1. A contractor estimates that 5 persons complete a task in 4 days. If he uses 4 persons

instead of 5, how long should they take to complete the task?

Answers

Answered by jaidansari248

0

Answer:

$this \: is \: a \: inverse \: proportion \\ by \: unity \: method\\ 5 \: person \: take \: time \: = 4 \: day \\ 1 \: person \: take \: time \: = 4 \times 5 \\ = 20 \: day \\ because \: 1 \: person \: take \: much \: time \\ then \: \\ 4 \: person \: take \: time \: = \frac{20}{4} = 5days \\$

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