SOLUTION: Please, could you help me with these word problems.. I just don't know how to write this in the right formula/linear eqation (then when I have this in correct form I know how to so

Question 590773: Please, could you help me with these word problems.. I just don't know how to write this in the right formula/linear eqation (then when I have this in correct form I know how to solve it) ... Thank you.
Questions:
problem 1.
The sum of two numbers is 16. three times the larger number decreased by the smaller number is 72. find the two numbers

Problem 2.
Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $85 per pound and a blend of commmon wildflower seeds for $45 per pound. Kelly is creating a medium-price product by mixing together 26 pounds of the more expensive blend with 5 pounds of the less expensive blend. What will be the price per pound for the new blend?
(the answer should be $78.55)

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
1) x + y = 16

3x - y = 72

2) (26)(85) + (5)(45) = 31x
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