174/29 = 6 times the difference
17*6 = 102
12*6= 72
34*6 =204
15*6 = 90
so the answer is A
Answer:
2
Step-by-step explanation:
it literally doubles in size
6*( 5 + X) = 36
30 + 6X = 36
6X = 6
X = 1