Question

What is 300+400.
I want to see how smart you are can you do this mentally????

Answer 1

Answer: 700

Explanation:

300+400

700

easier way to do it in your brain is

4+3 is 7 and add the 2 zeros

so the answer is 700

Hope this helps :)

Answer 2

700

Explanation:

Since 3 + 4 = 7, then 300 + 400 = 700