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Based on the graph, if leisure activities were reduced by 25

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Based on the graph, if leisure activities were reduced by 25 [#permalink] New post 23 Jan 2018, 14:54
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76% (01:36) correct 23% (02:31) wrong based on 13 sessions



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Based on the graph, if leisure activities were reduced by 25% and the time saved were added to sleep time, how many hours would then be spent on sleep?

1.2%

2.4%

6 hours

7.2 hours

8 hours

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[Reveal] Spoiler: OA

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Re: Based on the graph, if leisure activities were reduced by 25 [#permalink] New post 24 Jan 2018, 09:00
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Leisure activities make up : 20% of 24hrs. = total leisure activity time of 4.8hrs.
Leisure activity reduced by: 25% of 4.8hrs. = 1.2hrs. (and added to sleeping time.)
Sleeping time makes up: 25% of 24 hrs. = total sleeping time of 6hrs.
Add the reduction of leisure activity to total sleeping time: 1.2hrs. + 6hrs. = NEW SLEEPING TIME of 7.2hrs. (answer C)

PS answer choices A and B are posted with a %-sign following the numbers, could be edited.
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Re: Based on the graph, if leisure activities were reduced by 25 [#permalink] New post 24 Jan 2018, 11:44
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7.2 Hours is answer D, not C.

The first two answer choices, as far as the book is wrong, they are correct.

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