The average of 6 numbers is 30. If the average of the first four is 25 and that of the last three is 35, the fifth number is:  

Israeli prime minister Netanyahu, Emirati foreign minister Abdullah bin Zayed Al Nahyan, and Bahraini foreign minister Abdullatif bin Rashid Al Zayani signed the agreements on September 15, 2020, on the Truman Balcony overlooking the South Lawn of the White House.