Question

50 points!!! please hurry i need this answer . see pic below

Answer 1

Sum of two Interiors=Exterior

$\\ \rm\rightarrowtail x+20+3x-7=7x-17$

$\\ \rm\rightarrowtail 4x+13=7x-17$

$\\ \rm\rightarrowtail -3x=-30$

$\\ \rm\rightarrowtail x=10$

m<NOP=7(10)-17=70-17=53