Answer:
3 costumers per minutes
Step-by-step explanation:
It is 80 because if you do all the math it turns out to be 80
Answer:
9 x (6+x) = 1
Step-by-step explanation:
-2x-y=3 ...(1)
x+2y=4 ...(2)
multiply (2) by 2 and add to (1)
-2x-y+2x+4y=3+8
3y=11
y=11/3
from (2)
x=4-2y=4-2(11/3)
or x=4-(22/3)
=(12-22)/3=-10/3
