discount of shoes after 8 months.

Question

so this is what the exact question says: A shoe store is discounting shoes each month. A pair of shoes costs $80. The table show the discount prices for several months. Find the cost of the shoes after 8 months. round to nearest cent. (the table shows that the first month, the shoes cost $80, the second month, the shoes cost 72, and on the third month the shoes cost 64.80)

Answer 1

Yer numbers...start=80$ (step=0????)

next month, kost=72, so delta=8, & 8/80=10%...kost go down 10%

month 2...kost=64.8, delta=7.2=10% less than prior month

me spekt take off 10% evree month

so kost=start$*(0.9)^number-months0.9^7=0.4782969000000

end kost=80*0.4782969=

u gotu month 8, that meen 7 months av kost kuts, so last kost=(0.9)^7  *(start-kost)

anser=38.263752

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Answer 2

 muneepenee does not speak english