Answer:
the third one
Step-by-step explanation:
you would divide both sides by 6 to get your answer. i hope this helps :)
Well 2.4/ 16.4 is 6.9, but idk if that is what u were asking for
Answer: 
<u>Add 3x to both sides</u>
<u></u>
<u></u>
<u></u>
<u>Subtract 15 from both sides</u>
<u></u>
<u></u>
<u></u>
<u>Divide both sides by 5</u>
<u></u>
<u></u>
Answer:
4.2846*10^2
Step-by-step explanation:
428.46
4.2846*10^2 hopefully