KatReed KatReed

05-11-2016
Mathematics

contestada

One half of a number added to two thirds of the number is 21. Find the number

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monkjjh monkjjh

05-11-2016

The answer is 18.

Half of 18 is 9 and two thirds of 18 is 12

9+12 = 21

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happyd2016 happyd2016

05-11-2016

either use algebric equation
OR
work backwards and use inverse operation

That question is kinda hard

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