Answer:
N + 434000
Step-by-step explanation:
N + N - 35000 = 833000
(add 35000 to both sides)
N + N = 868000
(N + N is equivalent to 2N)
2N = 868000
(divide both sides by 2)
N = 434000
Answer:
D
Step-by-step explanation:
L + S = 13
L = S + 4
S + 4 + S = 13
2S = 9
S = 9/2 =
S = 4.5 ft
L = 4.5 + 4
L = 8.5 ft