Sum of Integers
Algebra
Level
2
Conan wrote down 10 consecutive positive integers. If the sum of the 5 smallest positive integers is A, then what is the sum of the 5 largest positive integers in terms of A?
A+5
2A
5A
A+25
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A/5 is the average that is the middle number. For next five the middle number would be.....> (A/5 + 5) so their sum is 5 * (A/5 + 5) = A + 25.