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Fynjy0 [20]
3 years ago
11

The average height of 8 adults is 1.8 m. What is the sum of their heights? How do I work this out without a calculator?

Mathematics
1 answer:
Katen [24]3 years ago
5 0
Well, the average of a sum of number is found by adding each given number and dividing that number by the amount of given numbers. 
Example: 5+4+3+8=20 
                and 20/4 = 5, the average of the numbers
Multiply 1.8 by 8.0 using this format:

1.8
x8.0
--------


Hope this helped
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