 
<translate> Ya sayi 10 + 5 = mita 15 na bututun roba. Jimlar mita na jan karfe da bututun filastik shine 10 + 15 = 25. Mai aikin famfo ya kashe $ 4 x 25 = $ 100 a kan jan karfe da bututun filastik. shine dalilin wane tambaya da amsar ma'aurata? <eng> He bought 10 + 5 = 15 meters of plastic pipe. The total meters of the copper and plastic pipe is 10 + 15 = 25. The plumber spent $4 x 25 = $100 on copper and plastic pipe.is the reasoning for what question and answer pair? 