C̶a̶n̶ s̶o̶m̶e̶o̶n̶e̶ p̶l̶e̶a̶s̶e̶ e̶x̶p̶l̶a̶i̶n̶ h̶o̶w̶ t̶o̶ s̶o̶l̶v̶e̶ t̶h̶i̶s̶ p̶r̶o̶b̶l̶e̶m̶ a̶n̶d̶ a̶n̶s̶w̶e̶r̶ i̶t̶ s̶o̶ w̶e̶ c̶a̶n̶ c̶o̶m̶p̶a̶r̶e̶ a̶n̶s̶w̶e̶r̶s̶ w̶i̶t̶h̶ m̶e̶

Can someone please explain how to solve this problem and answer it so we can compare answers with me class=