If the sum of five consecutive even integers is t, then, in terms of t, what is the greatest integer?

1 answer:

5 0

Let x be first integer the we have the sum:-

x + x +2 + x+4 + x+6 + x + 8 = t

5x + 20 = t

5x = t - 20
and x = (t - 20) / 5

so the greatest integer x + 8 = (t - 20) / 5 + 8 = (t - 20)/5 + 40/5

= (t + 20) / 5 answer

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