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gizmo_the_mogwai [7]
2 years ago
10

I had four numbers: 12, 8, 4, and ????? However, I remember that their average was 11. Please, help me to remember the number th

at I forgot!!! The number that our old math teacher forgot is
Mathematics
2 answers:
Anestetic [448]2 years ago
5 0

Answer:

The number was 20

Step-by-step explanation:

As the average is 11 and the numbers are 4, so the total sum of numbers will be 11X4=44. now the sum of three numbers are (20+8+4)=24. So the last number will be= (44-24)=20. :)

dolphi86 [110]2 years ago
5 0

Answer:

20, 12,8,4 average out to 11

Step-by-step explanation:

omni average calculator on google will help :)

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