can you help me, please
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Answer:
Mandy's bag is 60% heavier than Donna's.
Step-by-step explanation:
When someone's bag is "x%" heavier then someone else's it's the same as saying that it is "100% + x%" of that value, while if it is lighter it's the same as saying that it is "100% - x%".
Since Mandy's bag is 20% heavier than Kathleen's, then:
Mandy = 1.2*Kathleen
Since Donna's bag is 25% lighter than Kathleen's, then:
Donna = 0.75*Kathleen
Kathleen = Donna/0.75
Then
Mandy = 1.2*(Donna/0.75) = 1.6*Donna
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