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?

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these

Graph 3/6 3/4 and 3/12 on a number line

Kennedy wants to use an internet site to sell his game system. the website will charge him a fee that will be deducted from the selling price. suppose the fee is 9.5% of the selling price. determine the amount of the fee if kennedy sells his system for $50. how much money will kennedy receive after the fee has been deducted?