Struggling with finding equivalent ratios, ?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

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

What is the sum of these mixed numbers 4 2/3+ 3 1/9