Question

the average of 5 number is 25 and 4 number is 38. Find the average of all the number​

Answer 1

Step-by-step explanation:

Since the average = (sum)/(quantity), sum = average x quantity. Since the average of the five numbers is 38, the sum of the 5 numbers is:

sum = 38 x 5 = 190

Since the average of 4 of the numbers is 25, the sum of the 4 numbers is:

sum = 25 x 4 = 100

Thus, the fifth number must be 190 - 100 = 90

Answer 2

Answer:

90

Step-by-step explanation:

The Five number is 38, The sum of the 5 numbers is

38x5=190

the average of 4 of the numbers is 25, the sum of the 4numbers is

=25x4=100

the fifth number= 190-100

=90

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