Question

10 workers take 6 hours to build a wall how many hours will 15 workers take to build the same wall​

Answer 1

Answer:

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Step-by-step explanation:

10 workers ----> 6 hours

15 workers ----> ?hours

15 x 6 / 10

=90/10

=9

answer: 9 hours taken

Answer 2

Answer:

4 hours

Step-by-step explanation:

Let the required hours be x

10 workers can build the wall in 6

then 15 workers will build in

x=10×6÷15

=4 hours