The temperature today was 10 degrees colder than twice yesterday's temperature, t.

Answer: Today's temperature : 2t - 10

Step-by-step explanation:

Hi, to write the expression of the statement given we have to analyze each phrase:

Twice yesterday's temperature, t. If t is yesterday's temperature, twice that temperature equals 2t.

The temperature today was 10 degrees colder than: It means that we have to subtract 10 degrees : (-10)

Mathematically speaking:

Today's temperature : 2t - 10

where t = yesterday's temperature

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