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Mandarinka [93]
3 years ago
11

A student government organization is selling Christmas trees as a fundraiser. On Friday, they sold 5 noble fir trees and 3 dougl

as 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?
how much is 1 douglas?
how much is 1 noble fir?
Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0
You have to do a system, lets say x are noble fir trees and y are douglas fir trees, 
5x+3y=420
12x+9y=1080

if you solve this you get, 
x=60 and 
y=40
SO Noble fir trees cost $60 and Douglas fir trees cost $40.
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