What is the maximum sum of the terms in the arithmetic progression 20, 18, 16, 14 ____?

What is the maximum sum of the terms in the arithmetic progression 20, 18, 16, 14 ____?

Explanation

20, 18, 16, 14, 12, 10, 8, 6, 4, 3, 2, 0

add all these numbers

20 +18+16+14+12+10+8+6+4+2 =110

ND_16_7_2023