The answer is 15. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.
Chat with our AI personalities
One method is (10×4)+(5×3) = 55 (or mentally add up from left to right).
20 + 10 + 5 = 35
The answer to the addition problem 5 plus 5 is 10.
10 + 5 = 15
5 + 5 = 10