8c - c +6=48. how do i explain this with words?

Which number produces a rationale number when multiplied by 1/5

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

Do you mind if you guys me with this question i’m on number 8