<prompt> Haeba tatellano e fokotseha ka 1 me palo ea pele e le 20, nomoro ea leshome ke efe ka tatellano?nan  <response>: Instruction in English: If a sequence is a decreasing by 1 and the first number is 20, what is the tenth number in the sequence? . Response in English: If a sequence is decreasing by 1 and the first number is 20, the tenth number in the sequence would be 20 - 10-1 11. . Response in Sesotho: Haeba tatellano e fokotseha ka 1 mme palo ea pele ke 20, palo ea leshome ka tatellano e tla ba 20 - 10-1 11. 