Iam dying from these math questions

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense