Answer:
64.66
Explanation:
Given,
a=100%
b=3
c=-4
d=9
e=3
f=5
g=3
h=-1
To find x,
a = bx + c + d + ex + f +gx + h
100 = 3x - 4 + 9 +3x + 5 + 3x - 1
100 = 9x + 9
91 = 9x
91/9 = x
x = 10.11
The students who don't like RED are,
ex + f + gx +h
= 3(10.11) + 5 + 3(10.11) - 1
= 60.66 + 4
= 64.66