Answer:
16.9
Step-by-step explanation:
First, you want to divide both sides by 3 to isolate your variable. You get x^2 = 9. The square root of x^2 and 9 equals x = 3.
x = 3 is your answer.
9/10=a/30. and value of a is 27
Answer:
The proportion is 2/7 = 12/42
x = 12
The answer is 12
