heiby20 heiby20
  • 09-04-2020
  • Mathematics
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an 8 by 10 inch piece of cardboard cost $ 2.00. if the cost of the cardboard is proporcional to its area what is the cost of piece of cardboard that is 16 inches by 20 inches?

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brookereanne15
brookereanne15 brookereanne15
  • 09-04-2020

Answer: $4

The cost of an 8x10 piece is $2, and 16x20 is just 2 times that amount, multiply the cost.

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