the sum of 5 consecutive numbers is 200.what is the average of the last three numbers
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Step-by-step explanation:
let the numbers b
a+ a+1 + a+2 + a+3 + a+4 = 200
5a + 10 = 200
5a = 200-10
5a= 190
a=38
avarage = total sum/ number
123/3
= 41
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