1. 2r-5
2. -21r-50
3. 4r-50
4. 14r+50
5. 19r-50
The answer is: 10.
Explanation: The numbers are in order by the median/lowest to highest so in that case X wouldn't be 7 because the X would have been next to the 7 not on the other side of the 10.
$6.90 divided by 3 is $2.30 which is the unit rate and if you multiply $2.30 by 10 you get $23
