Question

The average of eight numbers is 90.sum of eight numbers is​

Answer 1

Answer:

Average=sum of no./no.of no.

Let the sum of no. be x.

90=x/8

x=8×90=720

Therefore the sum is 720.

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Answer 2

Given:-

• Average of 8 numbers is 90

To Find:-

• Sum of the 8 numbers

Concept:-

• Firstly we should understand the concept.The average of 8 numbers is 90.We have to find the sum.We can find it by substituting the given values in the equation.

Formalae Applied:-

• Average = Sum of numbers/Total of Numbers

Solution:-

Let the sum of 8 numbers be x

Average = 90.

Sum = ??

Total no.s = 8

According to the question,we have,

Average = Sum of numbers/Total of Numbers

90 = x/8

x = 90 × 8

x = 720.

Therefore,

The sum of 8 numbers is 720.

Verification:-

90 = x/8

x = 720

90 = 720/8

90 = 90

LHS = RHS

Hence,It is verified.