5 1/3% is equal in fraction to 4/75 true or false

Umm.. just started this 2day and its not on my notes(p′︵‵。)

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189