If the chairs in an auditorium are organized into equal-length rows of 13 chairs, there are 11 left over. If they are organized into equal-length rows of 7 chairs, there are 5 left over. What is the smallest number of chairs that the auditorium could have?

answer: 20

step-by-step explanation:

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6