funnynunny6034 funnynunny6034
  • 09-11-2017
  • Mathematics
contestada

How many 9-inch-square floor tiles are needed to cover a rectangu­lar floor that measures 12 feet by 15 feet?

Respuesta :

Rod44 Rod44
  • 09-11-2017
To cover the width we need 12÷¾=12×4/3=16 tiles.
To cover the length we need 15×4/3=20 tiles, so to cover the floor area we need 16×20=320 tiles.
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