document.write( "Question 1146804: Bob has 40 cents in his pocket. If bob has no pennies, how many different coin combinations of quarters, dimes and/or nickels could bob have \n" ); document.write( "
Algebra.Com's Answer #768112 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Clearly he can only have either 1 quarter or none. \n" ); document.write( "(1) If he has a quarter, that is 25 of the 40 cents; 15 cents remain. He can have either 1 dime or no dimes; nickels will make up the rest. \n" ); document.write( "2 solutions with 1 quarter. \n" ); document.write( "(2) If he has no quarters, then the number of dimes he can have is any number from 0 to 4; again nickels will make up the rest. \n" ); document.write( "5 solutions with no quarters. \n" ); document.write( "Total number of combinations: 2+5 = 7 \n" ); document.write( " \n" ); document.write( " |