SOLUTION: Billy weighs 140 pounds more than his sister Nancy. Their combined weight is 160 pounds. How many pounds does Billy weigh? **HINT**...sister is a baby

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Question 851339: Billy weighs 140 pounds more than his sister Nancy. Their combined weight is 160 pounds. How many pounds does Billy weigh?
**HINT**...sister is a baby
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent Nancy's weight

 (x+140) + x = 160lbs

          2x = 20

           x = 10lb, Nancy's weight.  Billy weighs  150lbs

CHECKING our answer***

 150lbs + 10lbs = 160lbs

Wish You the Best in your Studies.