Difference between revisions of "2013 AMC 8 Problems/Problem 15"

Revision as of 18:39, 11 November 2017

Problem $6\cdot6=36$

Solve for s, x, and r.

2013 AMC 8 (Problems • Answer Key • Resources)
Preceded by Problem 14	Followed by Problem 16
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All AJHSME/AMC 8 Problems and Solutions

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 {{AMC8 box|year=2013|num-b=14|num-a=16}}
 {{MAA Notice}}
-If <math>3^p + 3^4 = 90</math>, <math>2^r + 44 = 76</math>, and <math>5^3 + 6^s = 1421</math>, what is the product of <math>p</math>, <math>r</math>, and <math>s</math>?
-<math>\textbf{(A)}\ 27 \qquad \textbf{(B)}\ 40 \qquad \textbf{(C)}\ 50 \qquad \textbf{(D)}\ 70 \qquad \textbf{(E)}\ 90</math>