Question

If 5 worksites take 31.5 hours to prepare, how long will it take to prepare 13 worksites

Answer 1

Answer:

81.9 hours.

Step-by-step explanation:

5 work sites take   31.5 hours to prepare, so

1   work sites take   31.5 / 5 hours to prepare, and

13  work sites take .  (31.5  * 13) / 5  hours to prepare

=  409.5 / 5

=  81.9 hours.

Answer 2

31.5%5=6.3
6.3*13= 81.0