decimal word problems - various operations

Question

Bob is getting materials for a chemistry experiment.  His teacher gives him a container that holds 0.25 liter of blue liquid.  Bob needs to use 0.4 of this liquid for the experiment.  How much blue liquid will Bob use?

Answer 1

He uses 0.4 of this liquid.

 

"Of" usually means multiplication. "This liquid" is the 0.25 L

 

0.4(0.25L) = 0.1L

 

He used 0.1 Liter