Problema Solution
A student government organization is selling Christmas trees as a fundraiser. On Friday, they sold 5 noble fir trees and 3 douglas fir trees for a total of $420. On Saturday, 12 noble fir trees and 9 douglas fir trees were sold for a total of $1,080. What is the cost per tree for each type?
Answer provided by our tutors
The
x = cost of noble fir tree
y = cost of douglas fir tree
5x + 3y = 420
12x + 9y = 1080
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click here to see the system of equations solved for x and y
........
x = $60
y = $40
The cost of noble fir tree is $60.
The cost of douglas fir tree is $40.