there are 24 pens in a desk drawer. the pens are either red or blue. the ration of red pens to blue pens is 5:1. how many red pens? how many blue pens?

Question

there are 24 pens in a desk drawer. the pens are either red or blue. the ration of red pens to blue pens is 5:1. how many red pens? how many blue pens?

Answer 1

ratio of red to blue is 5:1. When we divide 24 pens into 6 sections, we can clearly see that 

red pens takes up 5 sections and blue pends takes up only 1 section.

And 24 divided by 6 sections = 4 pens per section

4pens * 5 sections for red = 20

4pens * 1 section for blue = 4