Answer:
0.+.20.=.40Step-by-step explanation:
A+s=2000
5a+3s=8500
a=-s+2000
-5s+10000+3s=8500
-2s=-1500
s=750
a=1250
They sold 750 student tickets and 1,250 adult tickets
The x² term will be C(5,2)x²·2³ = 80x².
The coefficient is 80.
_____
C(n, k) = n!/(k!·(n-k)!)
C(5, 2) = 5·4/(2·1) = 10
I think it is going to be 3.55 for each notebook and 1.9 for each pen
Answer:
12
Step-by-step explanation:
10 x 2 is 20
6 x 2 is 12