The temperature 24

The temperature at 04:00 was −3°C. By 09:00 the temperature had risen by 8°C. What was the temperature at 09:00?

Correct answer:

t2 =  5 °C

Step-by-step explanation:

t1=3 °C Δ=8 °C  t2=t1+Δ=(3)+8=5°C

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