Question

The average temperature for the first four days of
a week was 30.50 C and the average
temperature for the whole week was 320 C.
What was the average temperature during the last
three days of the week?


please how the steps

Answer 1

Step-by-step explanation:

Sum of Temperature of first 4 days =30.50x4= 122

Now, Sum of Temperature of whole week =320x7=2240

So, Sum of Temperature of the last 3 days is =2240-122= 2118

So, the Average of the last temperature is =2118 ​= 21.18° C