The fourth task

sobota, 5 marca 2016

THE MONUMET TO NICOLAUS COPERNICUS


So you have found the monument to Nicolaus Copernicus, a famous astronomer who formulated the model of universe that placed the Sun rather than the Earth at the center of the universe. Copernicus was also a mathematician so your last task is connected with math.

Task 15 

Solve the task: 
The year when Copernicus' "On the Revolutions of the Celestial Spheres" was published is a number consisting of 4 digits. The sum of digits is 13.

The third digit is 80% of the second digit, and the first digit is 7 times less than the sum of the fourth digit and the third digit.

Hint: remember that we are asking about a real year connected with Copernicus life, so the first digit must be 1 ;)

Send the answer to Edmodo portal. 

If you completed the task, scan code 18, the last one IJ