Answer:
Taji has a total of 56 quarters.
Explanation:
Let x be the number of quarters that Taji has.
Amount in terms of quarter

Let y be the number of dimes that Taji has.
Amount in terms of quarter

As per question statement:

Total amount is $18.20 as given in the question statement.

Solving equations (1) and (2):
Multiplying equation (1) by 10 and subtracting from equation (2):

x is the number of quarters that Taji has.
So, Taji has a total of 56 quarters.