 
 <prompt> Mark and Peter dig ponds for their backyards. Mark pond dey 4 feet deep pass 3 times Peter pond. If Mark pond na 19 feet deep, wetin be the depth of Peter pond? <response>: ```Make we use p for the number of feet wey dey for Mark pond
3*p+4=19
3*p=19-4=15
3p=15
p=5

The answer go be 5.``` 