The sum is a binary operation. The first operand is increased by the value of the second.
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The sum of two numbers is those two numbers multiplied together. For instance, the sum of 4 and 5 is 20.
Sum = 85 Number = 5 So mean = 85/5 = 17
20 + 5 = 25
It is: 5+15 = 20
To find five numbers with a mean of 20, we can use the formula for mean: Mean = (sum of all numbers) / (total number of numbers). Since we have five numbers, the sum of the numbers should be 20 * 5 = 100. To find five numbers that add up to 100, we can choose any set of five numbers that sum up to 100, such as 10, 20, 30, 15, and 25.