I need help with this question? Anyone understand?

What is another way to express 36 +32

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

The random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.