SOLUTION: How would I set up an equation for the following problem? It took 85 hours to complete 75% of the work...How long will it take to complete 100% of the work?

Question 440810: How would I set up an equation for the following problem?
It took 85 hours to complete 75% of the work...How long will it take to complete 100% of the work?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

Let x represent the time to complete 100% of the work

Question sets up the Proportion***

75%/100% = 85hr/x  Cross Multiplying 

 75x = 85*100

   x = 85*100/75

   x = 113 1/3 hr, the time to complete 100% of the work