Madeleine had $200 to spend. After she did her shopping she had $80 left. By what percent did her spending money decrease?
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Madeleine had a total of 200 dollar ==> 100% = $200
After shopping, she had 80 dollar left.
We need to know the amount decreased .
First we need to know the amount she spent.
==> 200 -80 = 120
Then, she spent a total of 120 dollar
Then the spending money decreased by 120 dollar
Now we need to calculate the amount as a percent .
We know that :
100% = 200
x % = 120
==> x = 120*100 /200 = 60
==> She spent 60% of her spending money.
Then her spending money decreased by 60% and she had 40% left.
Okay so Madeline had $200 to spend and ends up only having $80 left so in order to get how much she spent subtract $80 from $200
$200 - $80 = $120 Madeline spent $120 shopping.
So we are going to divide the $120 by $200 then multiply by 100 to get the amount of decrease
$120 /$200 = 0.60 x 100% = 60%
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