After going on a diet, Amy finds that her weight has decreased by 25%.If her weight now is 75kg how much does her weight before?

Her weight before was 100kg.

Step-by-step explanation:

This question can be solved using a rule of three.

Amy finds that her weight has decreased by 25%

So her weight is 100-25 = 75% = 0.75 of the original amount(what it was before).

Her current weight is 75kg.

Her previous weight was x, which is 100% = 1.

So

75 - 0.75

x - 1

Her weight before was 100kg.

step-by-step explanation:

a rhombus is a parallelogram enjoying his symmetry.

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