Question: 1. Ana and Jeff are trying to find the sum of the following numbers: 28+32+36+...+92+96+100. Ana wrote 128x19 =1216, and Jeff wrote 4(25x26) 4(6x7)

1. Ana and Jeff are trying to find the sum of the following numbers: 28+32+36+...+92+96+100. Ana wrote 128x19 =1216, and Jeff wrote 4(25x26) 4(6x7) = 1216. Can you explain how they got those numbers? Make sure that your explanations are complete. 2. Use Gauss's method to find the following sums. Do not use a formula. 2 2 o 1+2+3++149+150+151 25+26+27+...+176+177+178 4+8+12++168+172+176 99+102+105+...+222+225+228

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