Answer:
50 + 11.5x = 188
Step-by-step explanation:
174/29 = 6 times the difference
17*6 = 102
12*6= 72
34*6 =204
15*6 = 90
so the answer is A
Answer: it's A
Step-by-step explanation: Its A I bet nonono C
Before the increase, there were 693 students
After moving the 1 1/2 to the other side you will be able to solve it and get x=2