Bro this is literally impossible lol. I have been sitting here for like 30 minutes trying to find the answer lol. I hope you find the answer. Sorry I couldn’t help
Suppose Tanya has d dimes worth 10d cents and (44-d) quarters worth 25(44-d) cents. Now total value = 830 cents, ie., 10d + 25(44-d) = 830, ie., 1100 -830 = 15d, ie., d = 54/3 = 18. Therefore A has 18 dimes and 26 quarters.