The temperature 8

The temperature on Monday was –6°C. On Tuesday the temperature was 3 degrees lower. Write down the temperature on Tuesday.

Correct result:

t2 =  -9 °C

Solution:

t1=−6 ∘C t2=t1−3=(−6)−3=−9∘Ct_{1}=-6 \ ^\circ \text{C} \ \\ t_{2}=t_{1} - 3=(-6) - 3=-9 ^\circ \text{C}

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