1/2 of 1 is 1/2 1/2 of 1/2 is 1/4 1/2 of 1/4 is 1/8 You have 1/8 of your allowance left.
You have 1/8
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After spending across three days, you have \(\frac{1}{8}\) of your allowance remaining. You first spent half, then half of what was left, and finally half of what was left again. Each step reduces your remaining allowance by half of the previous amount.
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