# Ophelia

Ophelia recorded the temperature of a cold store every two hours.
1. At 6 am, it was -4°C, and at 8 am, it was -1°C. By how much did the temperature rise?
2. The temperature went up by 5°C in the next two hours. .What was the temperature at 10 am?

t1 =  3 °C
t2 =  4 °C

### Step-by-step explanation:

${t}_{2}=B+5=\left(-1\right)+5={4}^{\circ }\text{C}$

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