Ruth has 7 more brown pencils than blue pencils, and 11 more blue pencils than red pencils. She has 5 red pencils. How many brown, blue, and red pencils does Ruth have in all?

There are 5 red pencils, 16 blue pencils and 23 brown pencils.

Step-by-step explanation:

Since we have given that

Number of red pencils = 5

Number of blue pencils are 11 more than red pencils.

So, Number of blue pencils would be

Number of brown pencils are 7 more than blue pencils.

So, number of brown pencils would be

Hence, there are 5 red pencils, 16 blue pencils and 23 brown pencils.