A mason can build a wall in 70 hours. After 7 | vedclass

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Question

(A) The total time required to build the wall is $70$ hours.The mason has already worked for $7$ hours.The remaining time required to complete the wal

Vedclass · Accepted Answer

$0.9$

Vedclass · Answer

(A) The total time required to build the wall is $70$ hours.The mason has already worked for $7$ hours.The remaining time required to complete the wall is $70 - 7 = 63$ hours.The fraction of the wall yet to be built is calculated by dividing the remaining hours by the total hours:$	ext{Fraction} = \frac{63}{70} = \frac{9}{10} = 0.9$.

$A$ mason can build a wall in $70$ hours. After $7$ hours,he takes a break. What fraction of the wall is yet to be built?

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