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Betty sold of her family’s garage sale items. Ernest sold
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22 Apr 2020, 13:22
22 Apr 2020, 13:22
Expert Reply
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Question Stats:
76% (00:35) correct
23% (00:54) wrong based on 21 sessions
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Betty sold \(\frac{3}{5}\) of her family’s garage sale items. Ernest sold \(\frac{1}{2}\) of the remaining items. What fraction of the family’s garage sale items did Ernest sell?
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\(\frac{1}{5}\)
Re: Betty sold of her family’s garage sale items. Ernest sold
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23 Apr 2020, 00:59
23 Apr 2020, 00:59
1
Consider there are 10 items for garage sale item, thus, Betty sold 3/5 * 10 = 6 items, and 4 items are left.
Ernst sells 1/2 of the remaining 4 items, thus 1/2 * 4 = 2.
Thus, Ernst sold 2 / 10 items = 1/5.
Ernst sells 1/2 of the remaining 4 items, thus 1/2 * 4 = 2.
Thus, Ernst sold 2 / 10 items = 1/5.
Re: Betty sold of her family’s garage sale items. Ernest sold
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11 May 2020, 06:52
11 May 2020, 06:52
1
Let the family’s garage sale items be x.
Betty sold 3x/5
Remaining left= x-3x/5 =2x/5
Ernest sold (1/2)*(2x/5)= x/5
Therefore, the required fraction is (x/5)/x which is 1/5
Betty sold 3x/5
Remaining left= x-3x/5 =2x/5
Ernest sold (1/2)*(2x/5)= x/5
Therefore, the required fraction is (x/5)/x which is 1/5
