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Mathematics 21 Online
rxcklesskaisher:

A set of numbers is shown below: {1.8, 3.8, 5.4, 8.4, 13.2} The number __ from the set will make the equation x + 4 = 7.8 true.

AZ:

Just subtract 4 from 7.8 what is 7.8 - 4 = ?

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