If a brick weighs exactly as much as a 9-pound rock plus falf of another brick, what does a brick and a half weigh?

Answer 1

Assuming all the bricks are alike, the 2nd brick will also weigh 9 pounds so take 1/2 of that and add it to the weight of the first brick.

Sra

Answer 2

Don't forget that you are looking for the weight of 1.5 bricks...

Answer 3

27