Difference between revisions of "1977 AHSME Problems/Problem 3"

(Created page with "==Solution== Solution by e_power_pi_times_i Denote the number of pennies, nickels, dimes, quarters, and half-dollars by <math>x</math>. Then <math>x+5x+10x+25x+50x = 273</mat...")
 
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Solution by e_power_pi_times_i
 
Solution by e_power_pi_times_i
  
Denote the number of pennies, nickels, dimes, quarters, and half-dollars by <math>x</math>. Then <math>x+5x+10x+25x+50x = 273</math>, and <math>x = 3</math>. The total amount of coins is <math>5x</math>, which is <math>\textbf{(\text{(E)}\ 15)}</math>.
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Denote the number of pennies, nickels, dimes, quarters, and half-dollars by <math>x</math>. Then <math>x+5x+10x+25x+50x = 273</math>, and <math>x = 3</math>. The total amount of coins is <math>5x</math>, which is <math>\textbf{\text{(E)}}\ 15</math>.

Revision as of 11:39, 18 November 2016

Solution

Solution by e_power_pi_times_i

Denote the number of pennies, nickels, dimes, quarters, and half-dollars by $x$. Then $x+5x+10x+25x+50x = 273$, and $x = 3$. The total amount of coins is $5x$, which is $\textbf{\text{(E)}}\ 15$.