Answer:
x = 24.27385%
Step-by-step explanation:
We can say 96.4x=23.4
Divide by 96.4: (x=23.4/96.4) = 0.24273858921
x=0.24273858921 so x = 24.27385...%
4.79
..............................
m<A = 51, m<B = 39
x+x+12=90
2x+12=90
2x=78
x=39
