SOLUTION: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 168315: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each pound. How many pounds of perennial seed are in the mixture?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
we know that the total of annual and perennial is 100 pounds
so lets call annual x, and perennial 100-x
now .5(x)+.75(100-x)=.65(100)
.5x+75-.75x=65
.25x=10
highlight%28x=40%29 of annual
highlight%28100-40=60%29pounds of perennial seed