 
<translate> N'otu ụlọ akwụkwọ, ọnụ ọgụgụ ndị sonyere na 2018 Science Quiz Bowl bụ 150. E nwere mmadụ iri abụọ karịa okpukpu abụọ nke ndị sonyere na 2019 karịa ka ha dị na 2018. N'afọ 2020, ọnụọgụ ndị sonyere bụ 40 erughị ọkara ọnụọgụ ndị sonyere na 2019. Ole ka ndị sonyere na 2019 karịa na 2020? Nye m ihe kpatara ya, tupu ị zaa ajụjụ a <eng> In a school, the number of participants in the 2018 Science Quiz Bowl was 150. There were 20 more than twice the number of participants in 2019 as there were in 2018. In 2020, the number of participants was 40 less than half the number of participants in 2019. How many more participants were there in 2019 than in 2020? Give me reasons, before answering the question 