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You spend 1/2 of your allowance on Monday. On Tuesday, you spend 1/2 of the amount you have left. On Wednesday, you spend 1/2 of what remains.

What fraction of your allowance do you have left?

Respuesta :

Given that the allowance is variable. It varies in a week.
Let X = be your allowance.

Monday to Wednesday, you already incurred
Monday = X / 2
Tuesday = Monday / 2
Wednesday = Tuesday / 2

The money left you have will be
Money left = X - (Monday + Tuesday + Wednesday)

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