D = 4n - 2
+2 +2
d + 2 = 4n
Divide both sides by 4
n = d + 2 / 4
Answer:
b, f(x) = −5x + 250.
Step-by-step explanation:
edit: Oh you anwsered it yourself by bad
20 me dió a 20 ..........
Y = mx + b
Plug in
Solution: y = 1/2x + 3
You have to convert the fraction so the bottom number is 100
1900: 14/25=56/100
1910: 29/50=58/100
1920: 53/100
1930: 13/20= 65/100
1940: 3/5=60/100
Your answer would be 1930: 13/20= 60/100