Use Your Knowledge of English: 

1. Read the problem.

What is the density of water in lb/ft3, if the density of water at 25oC is 1.00 g/ml?    [Hint: There are 2.54 cm = 1 in
(or 16.48 cm3 = 1 in3); 454 g = 1 lb ]

2. Find the ADVERB!

"What is the" NOW: what unit follows the adverb?

3. Write down the unit asked for in the answer.

_???__ lb/ft3= xxx Given Unit