The average of 5 numbers is 39.20 and the average of 3 of these numbers is 41. Find the average of the remaining two numbers
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numbers = a, b, c, d, e
average of 5 numbers = (a + b + c + d + e)/5 = 39.20
a + b + c + d + e = 39.20 x 5 = 196
Avarage of 3 numbers = (a + b + c)/3 = 42
a + b + c = 42 x 3 = 126
Sum of d and e = 196 - 126 = 70
Average of d and e = 70/2 = 35
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