The average of 6 numbers is 30. If the average of first four is 25 and that of last three is 35,find the fourth number ? pls answer with explanation
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Answer:
I don't know but 4 is 15
Step-by-step explanation:
15
Answered by
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Answer:
sum of 6 numbers =60 x30 =180
sum of first 4 numbers = 4x25 =100
sum of last 3 numbers 3x35 =105
forth number = (100+105)-180
=25
Step-by-step explanation:
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