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© Express in the form n : 1.
Give n as a fully simplified fraction .
20 : 15​

Pls! does anybody know a shortcut for answering these types of questions in the future?

What is the range for 31,39,29,34,37,24,36,33,34,28

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?