Answer:
A is the answer
Step-by-step explanation:
3*30 is 90 2*30 is 60 and x*30 is 30 which means 90+60+30 equals 180
the asnwer is C
I don't understand your question
a + b = 3b
a = 3b - b
a = 2b
a/b = 2/1
a:b = 2:1
The correct answer is 1/36
