Answer: D
1/2x-1+4=x
1/2x-x=-3
-1/2x=-3
x=6
setup a simple algebraic equation and solve.
5x = 7x-28
-5x -5x
0=2x-28
+28 +28
28=2x
Now divide both sides by 2 and you get that she is 14
The answer to this question is b
Answer:
Im 100% sure that it’s (A)
30% decrease
175 divided by 250 = 0.7
1 - 0.7 = 0.3
0.3 = 30%
