Question

46. The average temperature for Wednesday,
MATHEMATICS
Thursday and Friday was 20 °C. The average for
Thursday, Friday and Saturday was 21 °C. If the
temperature on Saturday was 22°C, what was
the temperature on Wednesday?
W + T + F
(1) 19 °C
(2) 21 °C
3
W+T+F
(3) 18 °C
63
(4) 24 °C
​

Answer 1

Answer:

21,°C because (20+21+22)/3=21