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QOTD#12 Emma is 3 years older than Merrick, who is 8 years
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29 Oct 2016, 04:53
29 Oct 2016, 04:53
Expert Reply
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Question Stats:
77% (00:50) correct
22% (00:31) wrong based on 59 sessions
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Emma is 3 years older than Merrick, who is 8 years younger than Aliza. If Aliza is at least 25, which of the following could be Emma’s age?
Indicate all possible values.
A. 12
B. 15
C. 17
D. 20
E. 25
F. 29
Indicate all possible values.
A. 12
B. 15
C. 17
D. 20
E. 25
F. 29
Drill 3
Question: 3
Page: 290
Question: 3
Page: 290
Re: QOTD#12 Emma is 3 years older than Merrick, who is 8 years
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29 Oct 2016, 05:02
29 Oct 2016, 05:02
1
Expert Reply
Explanation
It’s an algebra question with numbers for answer choices, so set up your scratch paper to plug in the answers. Start with choice (C): If Emma is 17, then Merrick is 14, and Aliza is 22. That’s too young, so eliminate choices (A), (B), and (C). Now try choice (D): If Emma is 20, then Merrick is 17, and Aliza is 25. That’s old enough, so select choices D, E, and F.
It’s an algebra question with numbers for answer choices, so set up your scratch paper to plug in the answers. Start with choice (C): If Emma is 17, then Merrick is 14, and Aliza is 22. That’s too young, so eliminate choices (A), (B), and (C). Now try choice (D): If Emma is 20, then Merrick is 17, and Aliza is 25. That’s old enough, so select choices D, E, and F.
Re: QOTD#12 Emma is 3 years older than Merrick, who is 8 years
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06 Apr 2020, 00:38
06 Apr 2020, 00:38
This one is pretty easy. it ain't hard
