document.write( "Question 394731: A pizza shop advertises that they have 8 toppings, and they sell large, medium, and small pizzas. On a small pizza, you must choose 3 different toppings. On a medium pizza, you must choose 4 different toppings, and on a large, you must choose 5 different toppings. How many different pizzas can they make?\r
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document.write( "Choose the answer and explain the reason to choose your response
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document.write( "475
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document.write( "219
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document.write( "182
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document.write( "657 \n" );
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Algebra.Com's Answer #280059 by jrfrunner(365)![]() ![]() You can put this solution on YOUR website! my mistake \n" ); document.write( "I should have used combinations instead of permutations since order does not matter\r \n" ); document.write( "\n" ); document.write( "small pizza: 8C3=336/6=56 \n" ); document.write( "medium pizza: 8C4=1680/24=70 \n" ); document.write( "large pizza: 8C5=6720/120=56\r \n" ); document.write( "\n" ); document.write( "total pizzas= 56+70+56=182\r \n" ); document.write( "\n" ); document.write( "== \n" ); document.write( "ignore below\r \n" ); document.write( "\n" ); document.write( "these answers do not make sense! \n" ); document.write( "-- \n" ); document.write( "for the small pizza there are 8P3=8*7*6=336 different types of small pizzas \n" ); document.write( "for the medium pizza there are 8P4=8*7*6*5=1680 \n" ); document.write( "for the large pizza there are 8P5=8*7*6*5*4=6720 \n" ); document.write( "so there should be 336+1680+6720=8736 different pizzas \n" ); document.write( " |