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Lol i’m stumped and i don’t know where to start

Lol i’m stumped and i don’t know where to start-example-1
User Thwiegan
by
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1 Answer

3 votes

Answer:

SN = 25

Explanation:

30 - 12 = 18 (DL)

Since the triangles are similar: 18/30 = 3/5 = (2x + 7)/(6x + 1)

Cross multiply: 5(2x + 7) = 3(6x + 1)

10x + 35 = 18x + 3

8x + 3 = 35

8x = 32

x = 4

SN = 6(4) + 1 = 25

User PIIANTOM
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