Math, asked by jutikap4562, 11 months ago

The average of 4 numbers is 20 if a and b are added to the sum of these numbers the average become 30. find a+b

Answers

Answered by zap69077

0

Sum of 6 no.=30*6=180

Sum of 4 no.=20*4=80

a+b=180-80=100

Answered by AyuBhai94

0

Answer:

100

Step-by-step explanation:

Sum of 6 no.=30*6=180

Sum of 4 no.=20*4=80

a+b=180-80=100

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