Art of Problem Solving

2020 AMC 12A Problems/Problem 1: Difference between revisions

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==Solution==
==Solution==
If Carlos took 70% of the pie, 30% must be remaining.


==See Also==
==See Also==

Revision as of 09:30, 1 February 2020

Problem

Carlos took $70\%$ of a whole pie. Maria took one third of the remainder. What portion of the whole pie was left?

$\textbf{(A)}\ 10\%\qquad\textbf{(B)}\ 15\%\qquad\textbf{(C)}\ 20\%\qquad\textbf{(D)}\ 30\%\qquad\textbf{(E)}\ 35\%$

Solution

If Carlos took 70% of the pie, 30% must be remaining.

See Also

2020 AMC 12A (ProblemsAnswer KeyResources)
Preceded by
First Problem
Followed by
Problem 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AMC 12 Problems and Solutions

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