What am I doing sumbody please help

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50