Question

A) 30
B) 2.5
C)1.5
D)2

Answer 1

It’s B) 2.5 it’s very easy

Answer 2

Angle 1 and angle 2 are corresponding (they have an equal value). Set the two equations equal to each other, then solve.

40-4x=50-8x
+4x +4x
40=50-4x
-50 -50
-10=-4x
/-4 /-4
10/4=x
5/2=x
2.5=x

ANSWER: B) 2.5