Gauss Grade 7 Year 2011 Problem 4

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Problem

Ground beef costs $&#36; 5.00$ per kg. How much does 12 kg of ground beef cost?

\[\textbf {(A) \ &#36; 5.00} \ \ \ \textbf {(B) \ &#36; 12.00} \ \ \ \textbf {(C) &#36; 60.00} \ \ \ \textbf {(D) \ &#36; 17.00} \ \ \ \textbf {(E) \ &#36; 2.40}\] (Error compiling LaTeX. Unknown error_msg)

Solution

$\dfrac {&#36; 5.00}{1 \cancel {\text { kg}}} \times 12 \cancel {\text { kg}} = \boxed {\textbf {(C) \ &#36; 60.00}}$ (Error compiling LaTeX. Unknown error_msg)