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 ![=0.25 \times x](https://tex.z-dn.net/?f=%3D0.25%20%5Ctimes%20x)
Let <em>y</em> be the number of dimes that Taji has.
Amount in terms of quarter ![=0.10 \times y](https://tex.z-dn.net/?f=%3D0.10%20%5Ctimes%20y)
As per question statement:
![x + y = 98 ...... (1)](https://tex.z-dn.net/?f=x%20%2B%20y%20%3D%2098%20......%20%281%29)
Total amount is $18.20 as given in the question statement.
![\Rightarrow 18.20 = 0.25 \times x + 0.10 \times y\\\Rightarrow 25x + 10y = 1820 ...... (2)](https://tex.z-dn.net/?f=%5CRightarrow%2018.20%20%3D%200.25%20%5Ctimes%20x%20%2B%200.10%20%5Ctimes%20y%5C%5C%5CRightarrow%2025x%20%2B%2010y%20%3D%201820%20......%20%282%29)
Solving equations (1) and (2):
Multiplying equation (1) by 10 and subtracting from equation (2):
![25x + 10y -10x -10y= 1820 - 980\\\Rightarrow 15x = 840\\\Rightarrow x = 56](https://tex.z-dn.net/?f=25x%20%2B%2010y%20-10x%20-10y%3D%201820%20-%20980%5C%5C%5CRightarrow%2015x%20%3D%20840%5C%5C%5CRightarrow%20x%20%3D%2056)
<em>x </em>is the number of quarters that Taji has.
So, Taji has a total of 56 quarters.