Maddie0247 Maddie0247
  • 16-03-2018
  • Mathematics
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On the first day, all $10 items were 70% off. You brought some number of these sale items (n) and one $8 item.

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ericredmondson
ericredmondson ericredmondson
  • 21-03-2018
10n*.3+8
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