Question 1007308
d = number of dimes
q = number of quarters


10d + 25q = 495
q = 2d + 3


Substitute the second equation into the first.


10d + 25(2d + 3) = 495
10d + 50d + 75 = 495
60d = 420
d = 7


Burt has 7 dimes and 17 quarters.