 
 <prompt> ```A plumber jụrọ 10 mita nke copper na 5 mita nke plastic pipe. Ọ bụghị ka ọzọ mita nwere n'ime $4, onye plumber ga-ewere ihe ọ bụla na copper na plastic pipe?``` <response>: ```O gara 10 + 5 = 15 mita nke ụgbọala a.
Mita nke ụgbọala na mita nke plastic bụ 10 + 15 = 25.
Ugbọala na-achọ $4 x 25 = $100 na copper na plastic pipe.

Nke a bụ ihe ọhụrụ: 100.``` 