What is one way that businesses can improve the labor productivity of their workforce through human capital?

The students who were in favor of adopting the new curriculum wrote editorials for the local newspaper which of these best describes how the information in the editorials is different from the information in the feature story

Susie ran a race. she ran 55 miles an hour, and the race took her tt hours to complete.

How do you work out 21.3-8= show your working. plz