Answer:
It would be 14 because since each book is 3.5cm thick times that by 4 and get 14.
15 is the awnser too this one
X + 4y = 4
-x + 2y = 8
x + 4y - x + 2y = 4 + 8
6y = 12
y = 2
x + 4(2) = 4
x + 8 = 4
x = -4
(x,y)
(-4,2)
The error that Bryan has done in this inequality is that he included –14 in his solution set.
<h3>How to point out the mistake made</h3>
What Bryan has to do would be to write this inequality in such a way that the variable would appear on the left.
But the symbol that he has chosen does not move in this same direction as the graph.
The -14 should not be inclusive in the graph because it is not a part of the graph solution.
He used the wrong number in this inequality.
Read more on inequalities here:
brainly.com/question/24372553
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