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Two consecutive numbers which add up to 91 are the numbers one half either-side of 91/2 = 45.5. Therefore, the numbers are 45 + 46 = 91.
24. It is the difference between 97 and 73, the highest and lowest numbers in the set.
51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, and 99.
90
83 + 87 + 91 + 95 = 356, 356 / 4 = 89. The average of those 4 numbers is 89. You add all of the numbers together and then divide that sum by the number of values.
because it has two or more factors
The median is (89 + 91)/2 = 90
It is 91 times 87 = 7,917
The average is 72. To compute the average, you add up the numbers and then divide by the amount of numbers you have. So, in this case: 0 + 84 + 87 + 91 + 98 = 360 360 divided by 5 = 72
91
85, 87, 89, 91, 93 and 95.
87,89,91.....87+89+91=267
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87/91 is in its simplest form.
87
That's an infinite list. 81, 83, 85, 87, 89, 91 and so on.