650 kgs is equal to 1,433 lbs. I believe the mistake would be that they forgot to add a period in between 65 and the 0, because 65.0 kgs is equal to 143.3 lbs.
<h2><u>ANSWER</u></h2><h3>UX+RX=W</h3><h3>LETS TAKE X COMMON</h3><h3>X(U+R)=W</h3><h3>X=W/(U+R)</h3>

B. Yes, (1,4) is a solution
Answer:
first you subtract 2 from both sides
-6x>18
then you divide
-6 by 18 which is -3 and since you divided with a decimal that flips your sign so your answer is X<-3