canzaldua canzaldua
  • 12-09-2016
  • Mathematics
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The domestic postage rate for first-class letters weighing 12 oz or less is $0.37 for the first ounce and $0.23 for each additional ounce or part of an ounce. How much will it cost to send a letter that weighs 7.5 oz?

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bwhorton bwhorton
  • 12-09-2016
the letter will cost $1.98.
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