Question

82 x 19=80 x something

Answer 1

Explanation:

So first you can do 82x19 which is 1558, then you divide by 80 to find out what to multiply by, and you get 19.475. So your answer is 19.475. you can then check the answer, by multiplying it by 80 and you get the same answer as doing 82x19. So the answer must be correct.