It looks like your question contains two separate topics. Let’s address them one by one:
144:16 - What to do to delete it: If you are referring to the ratio or the expression 144:16, it seems like you might want to simplify or express it in a different format. To simplify this ratio, you would divide both numbers by their greatest common divisor. In this case, both 144 and 16 can be divided by 16, giving you 9:1. If you meant something else, please provide more context.
What is the voice of Brazil in the summertime? If you’re asking about the sounds or music associated with Brazil in the summertime, it typically evokes images of vibrant festivals, especially Carnaval, samba music, and cheering crowds. The "voice" could also refer to the sounds of nature during summer in Brazil, such as birds singing, tropical sounds, or the hustle and bustle of beach life.
If you have a specific context in mind for either of these questions, please let me know!