sixteen sixteen

28-12-2015
Mathematics

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2 wholes and 3/12 + 3/? = 2 wholes and 5/8 .what is the missing number ?

Respuesta :

28-12-2015

Basically you know that the 2 wholes from both sides cancel out.

Set up the equation, 5/8 = 3/12 + 3/x

3/x = 5/8 - 3/12

Set them to have a common denominator, 3/x = 15/24 - 6/24

3/x = 9/24

Simplify 9/24 and you will get 3/8

3/x = 3/8

Obviously this means x = 8

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