Answer:
50% increase
Step-by-step explanation:
% change = (new value-initial value)/initial value x 100
= (150-100)/100 x 100 = 50%
<em>add 354 to both sides</em>
I'm too tired to explain, here's some digital work on a site called Symbolab:
132°
because the lines are parallel x + 48° must be 180°
therefore x = 132°
huhh