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Barbie is thinking of a number. twenty less than one third of the number is 72.
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Oct 17, 2017
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Barbie is thinking of a number. twenty less than one third of the number is 72.
Mathematics
high-school
Jamie Niemasik
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your answer should be 276 which was worked out by
Apologiabiology
UneXp
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Oct 18, 2017
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UneXp
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x is the number
20 less than 1/3 of x is 72
-20+(x/3)=72
add 20 to both sides
20-20+(x/3)=72+20
0+(x/3)=92
x/3=92
times both sides by 3
x=276
the number is 276
Nathan Griffiths
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Oct 24, 2017
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Nathan Griffiths
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