How would ypu draw this " point k lies on line rt"

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Need on this geometry question. explain how you did it.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup