Question 909688
Let a be the number of dimes
Let b be the number of nickels
4A = B
A + B = 55
A + (4A) = 55
5A = 55
A = 11
If there are 11 dimes, then there are 4x as many nickels, or 44
11 dimes @ .10 = $1.10
44 nickels @ .05 =$2.20
She has $3.30