SOLUTION: Granola costs $4.50 per pound. Assorted nuts cost $7 per pound. How many pounds of granola and nuts are needed to make 7 pounds of trail mix that costs $6 per pound ?

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: Granola costs $4.50 per pound. Assorted nuts cost $7 per pound. How many pounds of granola and nuts are needed to make 7 pounds of trail mix that costs $6 per pound ?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1046308: Granola costs $4.50 per pound. Assorted nuts cost $7 per pound. How many pounds of granola and nuts are needed to make 7 pounds of trail mix that costs $6 per pound ?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
g, pounds of granola
n, pounds of nuts

system%28%284.5g%2B7n%29%2F%28g%2Bn%29=6%2Cg%2Bn=7%29

OR

system%28%284.5g%2B7n%29%2F7=6%2Cg%2Bn=7%29

and then system%284.5g%2B7n=42%2Cg=7-n%29 and just make the substitution.