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2 years ago

11

Ben and Lisa round the same number to different places. Ben rounds to the nearest ten thousand and get 70000 lisa rounds to near

est ten thousand and gets 68000 if the both rounded correctly what are the greatest and least possible numbers they could have rounded

2 answers:

jeyben [28]2 years ago

7 0

They both get 70000....

dybincka [34]2 years ago

6 0

Ben would get 70,000
and
Lisa would get 70,000
as well

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The given parameters:

<em>Total number of students, n = 55 </em>
<em>Number of physics students = 21</em>
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<em>Number of economics students = 23</em>
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The number of students who studied only two subjects can be determined by applying overlapping three sets formula as shown below;

$Total = n(phy) + n(geo) + n(econ) + n(none)- n(double) - 2(all \ subjects)\\\\55 = 21 + 24 + 23 + 2x-n(double) - 2(x)\\\\55 = 68- n(double)\\\\n(double) = 68-55\\\\n(double) = 13$

Thus, the total number of students who studied only two subjects is 13.

Learn more about overlapping three sets here: brainly.com/question/2041029

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