 Lisa anoda kutenga chitoyi chinoita 15. Akachengeta 8 kusvika pari zvino. Imarii yakawanda inoda Lisa kutenga toyi?Toyi yacho inoita 15, uye Lisa akachengeta 8. Kuti uzive kuti imarii yakawanda yaanoda, unobvisa mari yaakachengeta pamutengo wetoyi: 15 - 8 7. 