Answer:
<h2>x = 3</h2>
Step-by-step explanation:
Look at the picture.
Therefore we have:
<em>cross multiply</em>

<em>divide both sides by 3</em>

Answer:
It is CD
Step-by-step explanation:
because 300+200=500, juts times it by 3 and divide
Answer:
1640yd
Step-by-step explanation:
10*10*2=200
36*40=1440
200+1440=1640 yd