What 65 plus 65 plus 65 plus 90 plus 90 plus 90 plus 90 plus 50 plus 50 plus 50 plus 50 plus 50 plus 50 plus 20 plus 20 plus 20 plus 20 plus 20 plus 20 plus 20?
The answer is 155. Simply add up all of the numbers arithmetically like you would for two plus two. To make sure the answer is correct, check your work using a calculator.