Algebra Examples

$18$ , $9$ , $7$ , $5$ , $11$ , $7$ , $17$ , $20$ , $19$ , $2$ , $17$ , $12$ , $5$ , $1$ , $13$ , $12$ , $11$ , $15$ , $16$ , $20$

Step 1

Reorder the numbers in ascending order.

$1, 2, 5, 5, 7, 7, 9, 11, 11, 12, 12, 13, 15, 16, 17, 17, 18, 19, 20, 20$