Answer:
x = 11
Step-by-step explanation:
and check:
C
(6 * 4 ) * 2 = 48
( 4 * 12 ) * 2 = 96
( 6 * 12 ) * 2 = 144
48 + 96 + 144 = 288
three hundred and eight five twenty sevenths
54
There you go bro oh yeah you're welcome
add all amd divide by the 40 ???let me know if im wrong