doralisaponte8257 doralisaponte8257
  • 20-10-2018
  • Mathematics
contestada

If you buy three pairs of socks with an original cost of $9.99 pair at a discount of 15% sales tax it fit 5% how much the socks cost in total

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LilyChoi
LilyChoi LilyChoi
  • 20-10-2018
steps
1) 100%-15%=85%
2) 9.99×0.85=11.49
3) 11.49×0.05+11.49=8.92
they cost$8.92
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