# Difference in temperatures

The temperature in the number line show minus 15 degree celsius and 8 degree celsius. What is the different between the temperatures?

Correct result:

d =  23 °C

#### Solution:

$t_{1}=- 15=-15 \ ^\circ \text{C} \ \\ t_{2}=8 \ ^\circ \text{C} \ \\ \ \\ d=t_{2} - t_{1}=8 - (-15)=23 ^\circ \text{C}$

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Dr Math
Our user wrote: but I am still confusing. Is it wright  -15-8= -23 ??? ( because of the difference between the temperatures )

Dr Math
Basically, a difference of temperatures is defined by subtracting the next value of temperature and previous temperature.
You may also calculate the range/span of temperatures which is defined as an absolute value of subtracting two temperatures, which gives positive number or zero.

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