2008 AMC 10A Problems/Problem 1

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Problem

A bakery owner turns on this doughnut machine at $8:30\ {\small\text{AM}}$. At $11:10\ {\small\text{AM}}$ the machine has completed one third of the day's job. At what time will the doughnut machine complete the job?

$\mathrm{(A)}\ 1:50\ {\small\text{PM}}\qquad\mathrm{(B)}\ 3:00\ {\small\text{PM}}\qquad\mathrm{(C)}\ 3:30\ {\small\text{PM}}\qquad\mathrm{(D)}\ 4:30\ {\small\text{PM}}\qquad\mathrm{(E)}\ 5:50\ {\small\text{PM}}$

Solution

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See also

2008 AMC 10A (ProblemsAnswer KeyResources)
Preceded by
First Question
Followed by
Problem 2
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All AMC 10 Problems and Solutions