$69.64 I THINK IS HOW MUCH SHE WILL HAVE TO PAY.
HOPE THIS HELPS
Answer is Provided in the image attached.
I think C Jarilyn and Tara
Cross multiply:-
3(b - 2) = (2b - 5)(b + 2)
3b - 6 = 2b^2 + 4b - 5b - 10
2b^2 - 4b - 4 = 0
b^2 - 2b - 2 = 0
b = 2.73, -0.73 Answer
It is 5 because you have to do 12 squared minus 13 squared and then square root that which equals 5