Quote:
Audrey went shopping with D dollars. She spent 20% of her money on a blouse and 25% of what was left on a pair of shoes. What per cent of the original D dollars did she spend?
Let D = $ 100
She spent on blouse: (20/100) * 100 = $ 20 .... (1)
Remaining amount that she has: $ 80
Of this 25% ie 1/4 she spent on shoes. So amount that she spent on shoes = $ 80 * (1/4) = $ 20 . .. (2)
Total amount spent = (1) + (2) = $40 and 40/100 = 40%
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92% (00:37) correct 
