Question

At the local grocery store, cans of beans are arranged in rows. The number of cans in each row forms an arithmetic sequence. There are 105 cans in row 1, 96 cans in row 2, 87 cans in row 3, and so on. One row contains 42 cans. Which row is this?
Row 7
Row 8
Row 9
Row 10 ?

Answer 1

Ima say row 7 or  if im wrong im terrible sorry if not congrats :D Good luck!