Answer:
Taji has a total of 56 quarters.
Step-by-step explanation:
Let <em>x</em> be the number of quarters that Taji has.
Amount in terms of quarter 
Let <em>y</em> 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):

<em>x </em>is the number of quarters that Taji has.
So, Taji has a total of 56 quarters.