**FIRST vessel 7 **Second vessel 5 SOLUTION 1.- Pour water in the first vessel (First 7 / second 0) 2.- Pour water from the first vessel to top up the second (First 2 / second 5) 3.- Pour water out of second vessel (First 2 / second 0) 4.- Pour water from the first vessel into the second (First 0 / second 2) 5.- Pour water in the first vessel (First 7 / second 2) 6.- Pour water from the first vessel to top up the second (First 4 / second 5) 3.- Pour water out of second vessel (First 4 / second 0...