Answer:
9x+6
Step-by-step explanation:
(3x+2)+2(3x+2)
3x+2+6x+4
9x+6
Ratio of boys to girls = 1 : 3
Unknown constant = x
x + 3x = 24
4x = 24
x = 6
No. of girls = 3 x 6 = 18
A
B is incorrect because commission=0.1x
C is incorrect because base pay is 20,000
D is incorrect because highest pay is out question
it would be c 9/25 and 9/25