document.write( "Question 1144995: in how many ways can u make 45 cent using quarter dime penny \n" ); document.write( "
Algebra.Com's Answer #766172 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "(1) The number of quarters is at most 1 -- i.e., either 0 or 1. \n" ); document.write( "(2) The number of pennies has to be a multiple of 5, and less than or equal to 45 -- so 0, 5, 10, 15, 20, 25, 30, 35, 40, or 45. \n" ); document.write( "(3) For each combination of quarters and pennies, there will be either 0 or 1 way to make a total of 45 cents using dimes. For example... \n" ); document.write( "(a) 1 quarter and 0 pennies, total 25 cents; 20 cents left, so a solution, using 2 dimes \n" ); document.write( "(b) 1 quarter and 5 pennies, total 30 cents; 15 cents left; no solution, since you can't make 15 cents with dimes \n" ); document.write( "etc., etc.... \n" ); document.write( "Make an organized list showing all the combinations of quarters and pennies. \n" ); document.write( "In doing that, you might see a pattern which makes it possible to reach the final answer without completing the table. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |