SOLUTION: Solve. Round to the nearest tenth of necessary Mr. Brian can plant his acreage in 74 hr. His neighbor can plant the same amount of acreage with his larger equipment in 50 hr. Ho

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Solve. Round to the nearest tenth of necessary Mr. Brian can plant his acreage in 74 hr. His neighbor can plant the same amount of acreage with his larger equipment in 50 hr. Ho      Log On


   



Question 1035001: Solve. Round to the nearest tenth of necessary
Mr. Brian can plant his acreage in 74 hr. His neighbor can plant the same amount of acreage with his larger equipment in 50 hr. How long will it take Mr. Brian's field if they work together?

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
The set up looks like this
t%2FA+%2B+t%2FB+=+1
where t is the amount of time they work together.
Here we have
t%2F74+%2B+t%2F50+=+1
Now multiply by the lowest common denominator, 1850, and get
25t+%2B+37t+=+1850
62t = 1850
t = 29.8 hours