document.write( "Question 180466: Trinidadhas $2.35 in nickels and dimes. if she has 33 coins in all , find the number of nickels and dimes. \n" ); document.write( "
Algebra.Com's Answer #135233 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Trinidad has $2.35 in nickels and dimes. if she has 33 coins in all , find the number of nickels and dimes. \n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "Quantity Equation: n + d = 33 \n" ); document.write( "Value Equaltion..:5n +10d = 235 cents \n" ); document.write( "--------------------------------------- \n" ); document.write( "Modify: \n" ); document.write( "5n + 5d = 165 \n" ); document.write( "5n + 10d = 235 \n" ); document.write( "--------------------- \n" ); document.write( "Subtract 1st from 2nd to solve for \"d\": \n" ); document.write( "5d = 70 \n" ); document.write( "d = 14 (# of dimes) \n" ); document.write( "----------------- \n" ); document.write( "Substiute into n+d = 33 to solve for \"n\": \n" ); document.write( "n + 14 = 33 \n" ); document.write( "n = 19 (# of nickels) \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |