very good almagest, exactly how i wanted it worked out. kudos to you XD

x = price of toffies
y = price of bonbons

2x+3y=4.5
13x+5y=10.35

By rearranging the first equation, we find that:
x=(4.5-3y)/2

Plug that value in for x in the second equation:
13[(4.5-3y)/2]+5y=10.35

Solve for y and find that y is approximately 1.30

Plug the y value back into the rearranged first equation to find x:
x=(4.5-3(1.30))/2

We find that x is approximately 0.30

So the cost of 38 toffies and 58 bonbons is found as follows:
38x+58y=?
38(0.30)+58(1.30)=11.4+75.4=86.8

Final answer: $86.80
(This is an approximation though because x and y were approximate values.)

I love math, what can I say? =P