Question

the average temperature of the first three days of a week is 26.5 degree and that next three days is 29 degree celsius.i f the weekly average is 27.4 degree celsius then what's the temperature of the last days

Answer 1

Let last temperature is x

Total average = (1st avg + 2nd avg + x) / 3

27.4 = (26.5 + 29 + x)/ 3

82.2 = 55.5 + x

x = 26.7 degree

7th day temperatur is 26.7 degree

Thanks

Answer 2

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