Answer:
saving amount=$38.7
Step-by-step explanation:
given cost price=$86
discount on black friday=45%
selling price=cost price(1-discount%)
selling price=86(1-[tex]\frac{45}{100}[/tex])
selling price=86([tex]\frac{55}{100}[/tex])
selling price=$47.3
saving amount=$86-$47.3=$38.7
saving amount=$38.7 answer
