MathDB
Penniless Pete

Source:

January 4, 2009

Problem Statement

Penniless Pete’s piggy bank has no pennies in it, but it has 100 100 coins, all nickels, dimes, and quarters, whose total value is $8.35 \$8.35. It does not necessarily contain coins of all three types. What is the difference between the largest and smallest number of dimes that could be in the bank? <spanclass=latexbold>(A)</span> 0<spanclass=latexbold>(B)</span> 13<spanclass=latexbold>(C)</span> 37<spanclass=latexbold>(D)</span> 64<spanclass=latexbold>(E)</span> 83 <span class='latex-bold'>(A)</span>\ 0 \qquad <span class='latex-bold'>(B)</span>\ 13 \qquad <span class='latex-bold'>(C)</span>\ 37 \qquad <span class='latex-bold'>(D)</span>\ 64 \qquad <span class='latex-bold'>(E)</span>\ 83