Answer:
46
Step-by-step explanation:
it wouldn't change if it was to be rotated
-3x + 15x + 51 = -93
12x = - 42
x = -3.5
{ 0 x ≤ 5
f(x) = { 5 6 ≤ x < 18
{ 8 x ≥ 18
The brackets should be one big bracket.
Answer 10.75
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3 is the only odd factor of 12 (apart from 1) so there are 3 tables that each have 4 chairs around them.
Hope this helps :)