What is the value of y?
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y =

Hello to know the angle A and the value Y you need to know that the triangle in the image is a triangle isosceles, that triangle has 2 equal angles, so B is equal to C, then:

C = 25 °

B = 25 °

to know A it is necessary to add the two angles that we already know C + B

25 + 25 = 50 and we subtract it wit  180

180-50 = 130 Then A = 130 ° but A = 3y + 70 then clear to Y:

A = 3Y + 70

130 = 3Y + 70

130-70 = 3Y

60 = 3Y

60/3 = Y

20 = Y

I hope It help you    

answer; i believe the correct answer is (desert storm);