The first thing we must do for this case is to denote variables.
We have then:
x = number of nickels
y = number of dimes
By writing the system of equations we have:
x + y = 62
0.05x + 0.10y = 4.45
Solving the system we have:
x = 35
y = 27
Answer:
She has:
nickels = 35
dimes = 27