The average is 86.
The mean, or average is 86
(80 + 86 + x)/3 = 86 166 + x = 258 x = 92
The average of the prime numbers between 80 and 90 is 83.
The median is 86.5
The average is 86.
The mean, or average is 86
(80 + 86 + x)/3 = 86 166 + x = 258 x = 92
The average of the prime numbers between 80 and 90 is 83.
order size 12-18mths 1½-2yrs 2-3yrs 3-4yrs 4-5 yrs height (cm) 80-86 86-92 92-98 98-104104-110
The median is 86.5
86 + 80 = 166
92 of 80 is 1.15.
It is: 0.92*86 = 79.12
(86 + 78 + 92 + x) / 4 = 85 multiply by 4 on both sides of the equation to get.... (86 + 78 + 92 + x) = 340 Collect like terms.... 256 + x = 340 Subtract by 256 on both sides to solve for x .... x = 84
80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100
80, 81, 82, 84, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100.