Homework Help: math

Posted by james on Sunday, June 13, 2010 at 4:47pm.

In November, a toy was $40.00. In Dec., the price increased by 80%. In Jan., the price decreased by 80%. What was the price of the toy after it was discounted in January?

math - Ariel, Sunday, June 13, 2010 at 5:00pm
November=$40.00
December=40.00+80%(32)=$72.00
January=72.00-80%(57.60)=$14.40
math - PsyDAG, Monday, June 14, 2010 at 2:36pm
November = $40.00
December = 40.00+80%(40) = 40 + 32 = $72.00
January=72.00-80%(72) = 72 - 57.60 = $14.40

The work was correct, but the notation might have been confusing.

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