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10-05-2016
Mathematics

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52% of ______ days is 13 days.

Respuesta :

10-05-2016

'of' in mathematics means multiplication
'is' in mathematics means equal

52% * x = 13

52/100 * x = 13

0.52x = 13

x = 13/0.52

x = 25

52% of 25 days is 13 days.

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