Homework Help: Algebra

Posted by Mark on Tuesday, April 15, 2008 at 8:52pm.

Brett made muffins for his grandmother, but he gave his friend Steve 1/8 of the muffins. Then Brett saw Dori and gave her 1/3 of what he had left. Then he saw Shiela and gave her 1/7 of what he had left. By the time he arrived at his grandmothers house there were only 12 muffins.

a. How many muffins did Brett make?
b. How many muffins did he give to each person?

Please explain

Thanks,

Mark

Algebra - PsyDAG, Wednesday, April 16, 2008 at 1:00pm
X - 1/8X - (1/3 * 7/8)X - (1/3 * 7/8 * 1/7)X = 12

Solve for X to get total. Multiply by the indicated fractions to get the muffins given to each person.

I hope this helps. Thanks for asking.

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