document.write( "Question 340985: Bridgett has 64 coins in nickels and dimes. What is the minimum number of dimes she should have to at least $4.55? Set up the inequality and solve. \n" ); document.write( "
Algebra.Com's Answer #244208 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Bridgett has 64 coins in nickels and dimes. What is the minimum number of dimes she should have to at least $4.55? Set up the inequality and solve. \n" ); document.write( "------------- \n" ); document.write( "Equations: \n" ); document.write( "Quantity Eq: n + d = 64 \n" ); document.write( "Value Eq::: 5n+10d >= 455 cents \n" ); document.write( "---------------------------------- \n" ); document.write( "Multiply thru the 1st Eq. by 5 to get: \n" ); document.write( "5n + 5d = 5*64 \n" ); document.write( "5n + 10d >= 455 \n" ); document.write( "-------------------- \n" ); document.write( "5d >= 135 \n" ); document.write( "d >= 27 (# of dimes) \n" ); document.write( "--- \n" ); document.write( "n <= 64-d = 64-27 = 34 (# of nickels \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |