Question 905194
Multiply 1.45 by 100 to remove the decimal value.

So, 1.45 x 10 = 145.


d + q = 10
10d + 25q = 145

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d = 10 - q

10(10- q) + 25q = 145

100 - 10q + 25q = 145

100 + 15q = 145

15q = 145 - 100

15q = 45

q = 45/15

q = 3

The number of quarters she has is 3.