henydiana
henydiana henydiana
  • 23-02-2019
  • Mathematics
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Stuck on this pls help
Thx​

Stuck on this pls helpThx class=
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lovelyami19 lovelyami19
  • 23-02-2019

Answer:

D

Step-by-step explanation:$400x.30=$120

400-120=280

$280x.10=28

280-28=252

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