In the box beside the subtraction problem - show how you will change your problems so that you can subtract correctly. Then subtract and simplify. 7 1/3 -4 23 tes​

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