Answer:
Yes
Step-by-step explanation:
You can check whether the ratios form a proportion, by setting one piece of the ratios as x
Thus, we can use the equation 4/3.2=22/x.
From this, we get 4x=70.4.
Solving for x gives us 17.6.
3a+9=54
3a+9-9=54-9
3a= 45
a=15
Check answer:
3(15)+9=54
54=54
Answer is a=15
