Answer:
ABD
Step-by-step explanation:
A) (2+x)/(4+x) × 100 = 75
B) 4
2 out of 4
(2+x) out of (4+x)
(2+x)/(4+x) × 100 = 75
(2+x)/(4+x) = 3/4
8 + 4x = 12 + 3x
x = 4
