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.
Answer:
popcorn is usually around 5 dollars and a drink is 3 so: 5 x 3
Step-by-step explanation:
Answer:
x = 41 and y = 76
Step-by-step explanation:
I think x= -7 but I'm not to sure
Answer:
7805 cases of water
Step-by-step explanation:
- just multiply 223 by 35 minutes
