565009
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An electronics store is having a 15% off sale on everything in the store. To the nearest cent, which of the following could represent regular prices and sale prices of items in the store during the sale? Select all that apply.
A)
regular price: $31.99, sale price: $27.19

B)
regular price: $51.25, sale price: $43.56

C)
regular price: $165.80, sale price: $130.93

D)
regular price: $515.33, sale price: $438.03

E)
regular price: $789.60, sale price: $617.1

Respuesta :

#A

  • CP=$31.99
  • SP=$27.19

Discount=31.99-27.19=4.8$

Now

[tex]\\ \sf\longmapsto 15\%\:of\:31.99=0.15(31.99)=4.79\approx 4.80\checkmark[/tex]

#B

  • Discount=51.25-43.56=7.69

[tex]\\ \sf\longmapsto 0.15(51.25)=7.68\approx 7.69\checkmark[/tex]

#C.

  • Discount=165.80-130.93=$34.87

[tex]\\ \sf\longmapsto 0.15(165.80)=24.82[/tex]

  • No

#D

  • Discount=515.33-438.03=$77.3

[tex]\\ \sf\longmapsto 0.15(515.33)\approx 77.3\checkmark[/tex]

#E

  • Discount=789.60-617.1=$172.5

[tex]\\ \sf\longmapsto 0.15(789.60)=118.44[/tex]

  • No
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