Why are obersavebles better than promises angular.

How do i get the most points, without any effort?

How can the temperature of a room be raised by 5degreesf?

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.