Square tiles 30 cm by 30 cm are used to cover a floor. How many tiles are needed to cover a floor measuring 4.5 m long and 3.9 m wide?
Md Ariful Islam
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এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
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পিজিটি(মেডিসিন)
Convert the floor measurements to centimeters: 450 cm x 390 cm. Divide each of those measurements by 30. Then multiply the two quotients together. That's how many tiles you'll need. In this case you shouldn't have any partial tiles left over.
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