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a pile of cd is 40 centimetres high. each cd is 8 millimeters thick. how many cds are there in the pile?
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a pile of cd is 40 centimetres high. each cd is 8 millimeters thick. how many cds are there in the pile?

User MaheshShanbhag
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a pile of CD is 40 centimeters high
each CD is 8 millimeters

1 centimeter = 10 millimeters

40(10) = 400 millimeters high

400/8 = 50

50 CD in alll

hope this helps
User Farida
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