 
 <prompt> Idan Billy da Jenny suka bukaci kudin steak na $20 kowace da kuma abinci na $5, me ya sa Billy zai baya yin kudin ayyuka idan ya so tabbatar da 80% daga 20% ayyuka don su biyu? <response>: ```A nan, muna soke matsayin kuɗi game da kaza da sha, bayanin abin da aka samu a matsayin 20+5=25 game da kaza.
Bayan haka muna duba wannan da ke cikin 2, domin akwai biyu na mutum da suka ci, ya nuna abin da aka samu a matsayin 25*2=50 don cikin abin da suka ci.
Bayan haka muna duba abin da ke cikin kudin kuɗi don kudin 20%, ta hanyar dubawa 50*.2= 10.
Bayan haka muna duba abin da ke cikin kudin kuɗi don kudin 80% na wannan abin, ta hanyar dubawa 10 da .8, ya nuna 10*.8= 8 dalar da Billy zai iya samun.``` 