Answer:
x=20=cost of the throw blanket
y=1.5= the cost of each embroidered letter.
For your name : x+6y=29
x=29-6y --(i)
For your frd's name : x+3y=24.5
Substitute (i) into x+3y=24.5
29-6y+3y=24.5, y=1.5
x=29-(6*1.5)=20
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