a. Saturday temperature was the warmest
b. Friday temperature was the coldest
c. Thursday was 4°C colder than on Saturday
d. The temperature on Sunday was -2°C.
How to know the coldest and warmest temperature
a) The warmest temperature among the recorded temperatures was 3°C, which was on Saturday.
b) The coldest temperature among the recorded temperatures was -6°C, recorded on Friday.
c) Thursday's temperature was -1°C, while Saturday's temperature was 3°C. The difference in temperature between Thursday and Saturday was 4 degrees Celsius (4°C colder on Thursday than on Saturday).
d) Given that Sunday's temperature was 5 degrees lower than Saturday's temperature, and Saturday's temperature was 3°C, the temperature on Sunday was 3°C - 5°C = -2°C. Therefore, the temperature on Sunday was -2°C.