4. Question
The average of three numbers is 70. The first number is twice the second and the second number is
twice the third. Find the first number.
Answers
Answered by
0
Step-by-step explanation:
Let the third number be x.
So second number = 2x
And first number = 2.2x = 4x
Now, (x+2x+4x)/3 = 70
=> 7x/3 = 70
=> x = 70*3/7
=> x = 30
Therefore, first number = 4*30 = 120
Answered by
0
Answer:
Answer:52.5 is the third number
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