The arithmetic mean of two numbers is 4.6. One number is 5.4. Find the second number.
| August 16, 2021 | education
Let x be the second number.
(5.4 + x) / 2 = 4.6,
(5.4 + x = 4.6 * 2,
5.4 + x = 9.2,
x = 9.2-5.4,
x = 3.8.
Answer: 3.8 is the second number.
In order to find the arithmetic mean of several numbers, you need to add these numbers and divide by their number.
In this case, the arithmetic mean for two numbers is determined.
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