Answer :
| T - 55 | < = 10
-10 < = T - 55 < = 10
-10 + 55 < = T - 55 + 55 < = 10 + 55
45 < = T < = 65
the average temp ranges are between (and including) 45 degrees to 65 degrees
-10 < = T - 55 < = 10
-10 + 55 < = T - 55 + 55 < = 10 + 55
45 < = T < = 65
the average temp ranges are between (and including) 45 degrees to 65 degrees