Math, asked by Bhushan3748, 6 months ago

The average is 4 numbers is 20.if A and B added to the sum of these numbers, the average become 30.find A+B.

Answers

Answered by 2797neil
0

Answer:

A + B = 100

Step-by-step explanation:

Average of 4 Numbers = 20

Sum of 4 numbers = 20 * 4

Now, 2 numbers are added. (A , B)

Total Numbers = 6

Average = 30

Sum of numbers = 30*6 = sum of 4 numbers + A + B

⇒ 180 = 80 + A + B

⇒ A + B = 180 - 80

⇒ A + B = 100

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