 
 <prompt> John's grill messes up and burns half his steak.  He eats 80% of what isn't burned.  If the steak was originally 30 ounces how much steak did he eat? 

```Yoruba translation:
Grill John ti gbe owo re sile ati gba okeji re. O je 80% ti ko si ti gba. Ti okeji naa lo ti wa ni 30 ounces ki o je okeji kan ni?``` <response>: Wọn ti wa ni 30*.5=15 ounces ti ọkọ ti kọ. 
Nítorí náà, ó jẹ 15*.8=12 ounces ti ọkọ

Ìròyìn yoo jẹ 12. 