Question 74250
Since the discount was $8 (40-32=8) we can say
{{{40p=8}}}Where p is the percentage
{{{p=8/40=1/5}}}So take the discount and divide by the original price
So p=.20 or 20%. So she got a 20% discount
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Check:
{{{32=40-40p}}}Let p=.2
{{{32=40-40(.2)}}}
{{{32=40-8}}}
{{{32=32}}}works