21golson 21golson

19-01-2016
Mathematics

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A display of cereal boxes has one box in the top row, two boxes in the second row, three boxes in the third row, and so on, as shown. How many rows of boxes will there be in a display of 45?

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boss302 boss302

19-01-2016

in a display of 45 there will be nine. since , if you add one to each row in this example 1+2+3+4+5+6+7+8+9=45

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siblings123 siblings123

19-01-2016

The correct answer will be 9

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