document.write( "Question 617535: fourteen cans of pet food cost 9.60 the cat cost .60 the dog cost 0.75 how many cans of each were purchased
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Algebra.Com's Answer #388397 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! Use pence so \n" ); document.write( "60x + 75y = 960 and x + y = 14 x = 14 - y \n" ); document.write( "60(14 - y) + 75y = 960 \n" ); document.write( "840 - 60y + 75y = 960 \n" ); document.write( "15y = 120 \n" ); document.write( "y = 8 \n" ); document.write( "so x = 6 \n" ); document.write( "Check 8x75 + 6x60 = 600 + 360 = 960 \n" ); document.write( " |