Answer:
1, 3, 19, 57, 361, and 1083.
Step-by-step explanation:
f = twenty bill
f = fifty bill
f + t = 18(gave total 18 bills) and 50f + 20t = 450 ($450 cash a check)
Answer is B.
f + t = 18 ; 50f + 20t = 450
y = kx
21=k3
21/3=k
k=7
y=7x
y = 7 * -6
y = -42
I think ??
The correct answer is b=9
